<?php $values = array( array('w' => '100', 'h'=>'100'), array('w' => '200', 'h'=>'200'), array('w' => 300, 'h'=>300), ); $new_values = ''; foreach($values as $value) { $new_values[] = json_encode(array($value['w'], $value['h'])); } echo implode(',', $new_values); // [100,100],[200,200],[300,300]
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