Online PHP editor | output for NJN2u

@ 2019-12-07T13:05:12Z

<?php

 function implode_wrapper($glue , $pieces) {
   return (version_compare(PHP_VERSION, '7.3.99', '>'))
            ? implode($glue, $pieces)
            : implode($pieces, $glue);
 }
 

  function test_func($a, $b, &$cRef) {
    $args = func_get_args();
    echo __FUNCTION__."(".implode(",",$args) . ")\n";  
    $cRef+=$a;
  }
  
  
  
  $testdata = array(
      array(1,1),
      array(2,2),
      array(3,3),
      array(4,4)
  );
  
  if(defined("E_STRICT")) ini_set("error_reporting", ini_get("error_reporting") | E_STRICT);
  
  $refTest = 10;
  foreach($testdata as $test) {
      $args = array();
      foreach($test as $t) $args[] = &$t;
      $args[] = &$refTest;
      call_user_func_array("test_func", $args);
  }

Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.3.33, 7.4.0 - 7.4.25, 7.4.27 - 7.4.30, 8.0.0 - 8.0.12, 8.0.14 - 8.0.22, 8.1.0 - 8.1.9: test_func(1,1,10) test_func(2,2,11) test_func(3,3,13) test_func(4,4,16)
Output for 8.0.13: Fatal error: Uncaught TypeError: Unsupported operand types: string | int in /in/NJN2u:25 Stack trace: #0 {main} thrown in /in/NJN2u on line 25
Process exited with code 255.
Output for 7.3.32, 7.4.26: Warning: A non-numeric value encountered in /in/NJN2u on line 25 test_func(1,1,10) test_func(2,2,11) test_func(3,3,13) test_func(4,4,16)

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