3v4l.org

run code in 300+ PHP versions simultaneously
<?php $row = '{ "persona_apellido": "hey", "persona_apellido-maxwidth": 48, "persona_curso": "info", "persona_curso-maxwidth": 32, "persona_email": "dude@dude.com", "persona_email-maxwidth": 128, "persona_freg": "2013-08-15 17:03:58", "persona_freg-maxwidth": 152, "persona_id": "3", "persona_id-maxwidth": 8, "persona_nombre": "dude", "persona_nombre-maxwidth": 64, "up_persona_apellido": "", "up_persona_curso": "", "up_persona_email": "", "up_persona_freg": "", "up_persona_id": "", "up_persona_nombre": ""}'; $row = json_decode($row, true); $queryIn = '';$control = 0; foreach($row as $k => $value){ if(strstr($k,'-maxwidth') === false && strstr($k,'itemSelected') === false){ if(!empty($value)){ if(strstr($k,'up_') !== false){ $queryIn .= ' '.substr($k, 3, strlen($k)).'='.$value; $control++; } } } } if($control == 0){ $error = "No hay cambios que plasmar"; } var_dump($row); echo $queryIn." ".$control;

preferences:
32.51 ms | 402 KiB | 5 Q