本文实例讲述了php数组转成json格式的方法。分享给大家供大家参考。具体实现方法如下:
function array_to_json( $array ){<br /> if( !is_array( $array ) ){<br /> return false;<br /> }<br /> $associative = count( array_diff( array_keys($array), array_keys( array_keys( $array )) ));<br /> if( $associative ){<br /> $construct = array();<br /> foreach( $array as $key => $value ){<br /> // We first copy each key/value pair into a staging array,<br /> // formatting each key and value properly as we go.<br /> // Format the key:<br /> if( is_numeric($key) ){<br /> $key = "key_$key";<br /> }<br /> $key = "'".addslashes($key)."'";<br /> // Format the value:<br /> if( is_array( $value )){<br /> $value = array_to_json( $value );<br /> } else if( !is_numeric( $value ) || is_string( $value ) ){<br /> $value = "'".addslashes($value)."'";<br /> }<br /> <div style="color:transparent">!本文来源gaodai.ma#com搞##代!^码网(</div><sup>搞gaodaima代码</sup> // Add to staging array:<br /> $construct[] = "$key: $value";<br /> }<br /> // Then we collapse the staging array into the JSON form:<br /> $result = "{ " . implode( ", ", $construct ) . " }";<br /> } else { // If the array is a vector (not associative):<br /> $construct = array();<br /> foreach( $array as $value ){<br /> // Format the value:<br /> if( is_array( $value )){<br /> $value = array_to_json( $value );<br /> } else if( !is_numeric( $value ) || is_string( $value ) ){<br /> $value = "'".addslashes($value)."'";<br /> }<br /> // Add to staging array:<br /> $construct[] = $value;<br /> }<br /> // Then we collapse the staging array into the JSON form:<br /> $result = "[ " . implode( ", ", $construct ) . " ]";<br /> }<br /> return $result;<br />}
希望本文所述对大家的php程序设计有所帮助。