mirror of https://github.com/YOURLS/YOURLS
111 lines
2.7 KiB
PHP
111 lines
2.7 KiB
PHP
<?php
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/*
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* YOURLS
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* Compatibility functions when either missing from older PHP versions or not included by default
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*/
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// @codeCoverageIgnoreStart
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/**
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* json_encode for PHP, should someone run a distro without php-json -- see http://askubuntu.com/questions/361424/
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*
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*/
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if( !function_exists( 'json_encode' ) ) {
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function json_encode( $array ) {
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return yourls_array_to_json( $array );
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}
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}
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/**
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* Converts an associative array of arbitrary depth and dimension into JSON representation. Used for compatibility with older PHP builds.
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*
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* @param array $array the array to convert.
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* @return mixed The resulting JSON string, or false if the argument was not an array.
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* @author Andy Rusterholz
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* @link http://php.net/json_encode (see comments)
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*/
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function yourls_array_to_json( $array ){
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if( !is_array( $array ) ){
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return false;
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}
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$associative = count( array_diff( array_keys($array), array_keys( array_keys( $array )) ));
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if( $associative ){
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$construct = array();
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foreach( $array as $key => $value ){
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// We first copy each key/value pair into a staging array,
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// formatting each key and value properly as we go.
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// Format the key:
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if( is_numeric( $key ) ){
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$key = "key_$key";
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}
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$key = '"'.addslashes( $key ).'"';
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// Format the value:
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if( is_array( $value )){
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$value = yourls_array_to_json( $value );
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} else if( !is_numeric( $value ) || is_string( $value ) ){
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$value = '"'.addslashes( $value ).'"';
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}
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// Add to staging array:
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$construct[] = "$key: $value";
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}
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// Then we collapse the staging array into the JSON form:
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$result = "{ " . implode( ", ", $construct ) . " }";
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} else { // If the array is a vector (not associative):
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$construct = array();
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foreach( $array as $value ){
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// Format the value:
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if( is_array( $value )){
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$value = yourls_array_to_json( $value );
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} else if( !is_numeric( $value ) || is_string( $value ) ){
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$value = '"'.addslashes($value).'"';
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}
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// Add to staging array:
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$construct[] = $value;
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}
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// Then we collapse the staging array into the JSON form:
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$result = "[ " . implode( ", ", $construct ) . " ]";
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}
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return $result;
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}
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/**
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* BC Math functions (assuming if one doesn't exist, none does)
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*
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*/
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if ( !function_exists( 'bcdiv' ) ) {
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function bcdiv( $dividend, $divisor ) {
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$quotient = floor( $dividend/$divisor );
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return $quotient;
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}
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function bcmod( $dividend, $modulo ) {
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$remainder = $dividend%$modulo;
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return $remainder;
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}
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function bcmul( $left, $right ) {
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return $left * $right;
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}
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function bcadd( $left, $right ) {
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return $left + $right;
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}
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function bcpow( $base, $power ) {
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return pow( $base, $power );
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}
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}
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// @codeCoverageIgnoreEnd
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