<?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();
$i=0;
echo preg_replace("/$\{([^\}]*)\}$/", "here", $js);
while(preg_match("/$\{([^\}]*)\}$/", $js, $matches)){
echo $i;
print_r($matches);
$vars[$i++] = $matches[1];
}
print_r($vars);
preferences:
37.59 ms | 402 KiB | 5 Q