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<?php $js = "Morris.Donut({ element: 'piechart', data: [ {label: 'Option 1', value: ${op1}$ }, {label: 'Option 2', value: ${op2}$ }, {label: 'Option 3', value: ${op3}$ }, {label: 'Option 4', value: ${op4}$ } ], colors: [\"#3228db\", \"#34225e\", \"#1abc3c\", \"#24495e\", \"#9b51b6\", \"#15a5a6\"], formatter: function (y) { return y + \"%\" } });"; //$op1 = 25; //$op2 = 40; //$op3 = 25; //$op4 = 10; $matches = array(); $vars = array(); $i=0; while(preg_match("/\$\{([^\}]*)\}\$/", $js, $matches)){ echo $i; print_r($matches); $vars[$i++] = $matches[1]; } print_r($vars);
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/sSDZL on line 3 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/sSDZL on line 6 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/sSDZL on line 7 Deprecated: Using ${var} in strings is deprecated, use {$var} instead in /in/sSDZL on line 8 Warning: Undefined variable $op1 in /in/sSDZL on line 6 Warning: Undefined variable $op2 in /in/sSDZL on line 7 Warning: Undefined variable $op3 in /in/sSDZL on line 8 Warning: Undefined variable $op4 in /in/sSDZL on line 9 Array ( )

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