<?php $string = <<<EOT etc etc etc content [crowdpdf-total=field_585b0b3288d2e] etc etc [crowdpdf-total=field_585b0b3288d2f] etc content EOT; $replacements = [ 'field_585b0b3288d2e'=> 864, 'field_585b0b3288d2f' => 987, ]; foreach ($replacements as $find => $replace) { $string = str_replace("[crowdpdf-total=$find]", $replace, $string); } echo $string;
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