<?php
class PushAndPull
{
private $queue=array();
public function push($push)
{
array_push($this->$queue,$push);
}
public function pull()
{
return array_shift($this->$queue);
}
}
$obj = new PushAndPull();
$obj->push(1);
foreach($queue as $val)
echo $val;
?>
Warning: Undefined variable $queue in /in/sBiCc on line 10
Deprecated: Creation of dynamic property PushAndPull::$ is deprecated in /in/sBiCc on line 10
Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /in/sBiCc:10
Stack trace:
#0 /in/sBiCc(10): array_push(NULL, 1)
#1 /in/sBiCc(22): PushAndPull->push(1)
#2 {main}
thrown in /in/sBiCc on line 10
Process exited with code 255.
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
Warning: Undefined variable $queue in /in/sBiCc on line 10
Fatal error: Uncaught TypeError: array_push(): Argument #1 ($array) must be of type array, null given in /in/sBiCc:10
Stack trace:
#0 /in/sBiCc(10): array_push(NULL, 1)
#1 /in/sBiCc(22): PushAndPull->push(1)
#2 {main}
thrown in /in/sBiCc on line 10
Process exited with code 255.
Notice: Undefined variable: queue in /in/sBiCc on line 10
Warning: array_push() expects parameter 1 to be array, null given in /in/sBiCc on line 10
Notice: Undefined variable: queue in /in/sBiCc on line 23
Warning: Invalid argument supplied for foreach() in /in/sBiCc on line 23
Output for 7.3.32 - 7.3.33
Warning: array_push() expects parameter 1 to be array, null given in /in/sBiCc on line 10
Warning: Invalid argument supplied for foreach() in /in/sBiCc on line 23
Output for 7.0.0 - 7.0.20
Notice: Undefined variable: queue in /in/sBiCc on line 10
Fatal error: Uncaught Error: Cannot access empty property in /in/sBiCc:10
Stack trace:
#0 /in/sBiCc(22): PushAndPull->push(1)
#1 {main}
Next Error: Cannot access empty property in /in/sBiCc:10
Stack trace:
#0 /in/sBiCc(22): PushAndPull->push(1)
#1 {main}
thrown in /in/sBiCc on line 10
Process exited with code 255.
Notice: Undefined variable: queue in /in/sBiCc on line 10
Fatal error: Cannot access empty property in /in/sBiCc on line 10
Process exited with code 255.
Output for 5.0.4
Notice: Undefined variable: queue in /in/sBiCc on line 10
Warning: array_push(): First argument should be an array in /in/sBiCc on line 10
Warning: Invalid argument supplied for foreach() in /in/sBiCc on line 23
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: queue in /in/sBiCc on line 10
Warning: array_push(): First argument should be an array in /in/sBiCc on line 10
Warning: Invalid argument supplied for foreach() in /in/sBiCc on line 23
Output for 4.4.2 - 4.4.9
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/sBiCc on line 5
Process exited with code 255.
Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/sBiCc on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/sBiCc on line 5
Process exited with code 255.