3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = (array) json_decode('{"a":"1","2":"1","3":"1","4":"1","12":"1"}'); #var_dump($array); #var_dump(array_key_exists('a', $array)); #var_dump(array_key_exists(12, $array)); #var_dump($array[12]); #var_dump($array['12']); #var_dump($array[12]); #$var = (array)json_decode('{"a":"1","2":"1","3":"1","4":"1","12":"1"}'); #var_dump($var['2']); #var_export($var); $var = array('a'=>'1', '2'=>'2'); var_dump($var->{2}); $var = (object) $var; var_dump($var); $var = (array) $var; var_dump($var); $var = json_encode($var); var_dump($var); $var = json_decode($var); var_export($var);

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.60.0110.00416.88
8.3.50.0120.00318.14
8.3.40.0080.00818.84
8.3.30.0070.00718.72
8.3.20.0040.00418.98
8.3.10.0050.00223.51
8.3.00.0050.00322.45
8.2.180.0100.00716.75
8.2.170.0070.00722.96
8.2.160.0120.00321.04
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0000.00821.96
8.2.120.0080.00026.35
8.2.110.0040.00419.25
8.2.100.0080.00317.91
8.2.90.0050.00319.06
8.2.80.0030.00617.97
8.2.70.0030.00617.48
8.2.60.0000.00917.80
8.2.50.0030.00618.10
8.2.40.0030.00620.47
8.2.30.0050.00219.16
8.2.20.0040.00417.57
8.2.10.0060.00317.94
8.2.00.0100.00018.12
8.1.280.0070.01725.92
8.1.270.0080.00023.96
8.1.260.0040.00428.09
8.1.250.0040.00428.09
8.1.240.0050.00522.73
8.1.230.0040.00717.52
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0040.00417.23
8.1.180.0060.00318.10
8.1.170.0030.00618.48
8.1.160.0040.00422.17
8.1.150.0040.00418.88
8.1.140.0000.00719.51
8.1.130.0030.00317.58
8.1.120.0070.00017.48
8.1.110.0040.00417.35
8.1.100.0000.00817.41
8.1.90.0000.00817.43
8.1.80.0000.00817.34
8.1.70.0060.00317.49
8.1.60.0080.00017.58
8.1.50.0040.00417.54
8.1.40.0000.00717.42
8.1.30.0030.00617.57
8.1.20.0040.00417.66
8.1.10.0040.00417.38
8.1.00.0000.00717.40
8.0.300.0040.00418.77
8.0.290.0000.00816.58
8.0.280.0040.00418.32
8.0.270.0030.00317.04
8.0.260.0060.00317.23
8.0.250.0000.00616.88
8.0.240.0000.00716.89
8.0.230.0020.00516.84
8.0.220.0030.00316.87
8.0.210.0030.00316.85
8.0.200.0030.00316.96
8.0.190.0000.00716.95
8.0.180.0040.00716.85
8.0.170.0000.00816.86
8.0.160.0030.00416.95
8.0.150.0000.00716.79
8.0.140.0030.00316.82
8.0.130.0000.00613.35
8.0.120.0030.00516.92
8.0.110.0030.00616.96
8.0.100.0050.00316.82
8.0.90.0040.00416.78
8.0.80.0090.00616.91
8.0.70.0000.00816.70
8.0.60.0000.00716.70
8.0.50.0040.00416.86
8.0.30.0120.00817.12
8.0.20.0180.00817.40
8.0.10.0080.00016.89
8.0.00.0120.00916.38
7.4.330.0050.00015.08
7.4.320.0030.00316.51
7.4.300.0040.00416.52
7.4.290.0080.00016.49
7.4.280.0000.00716.42
7.4.270.0030.00316.62
7.4.260.0040.00416.48
7.4.250.0000.00716.41
7.4.240.0040.00416.66
7.4.230.0000.00616.40
7.4.220.0150.00416.66
7.4.210.0030.01116.60
7.4.200.0070.00016.32
7.4.160.0110.00616.36
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0110.00616.57
7.4.120.0100.01116.53
7.4.110.0090.00916.43
7.4.100.0110.00716.58
7.4.90.0120.00616.71
7.4.80.0100.00619.39
7.4.70.0150.00216.49
7.4.60.0110.00616.51
7.4.50.0030.01216.63
7.4.40.0100.00716.43
7.4.30.0030.01416.50
7.4.00.0060.00814.97
7.3.330.0030.00313.17
7.3.320.0030.00313.24
7.3.310.0040.00416.32
7.3.300.0000.00716.24
7.3.290.0110.00516.33
7.3.280.0070.01216.34
7.3.270.0110.00817.40
7.3.260.0050.01916.38
7.3.250.0080.00916.40
7.3.240.0060.01116.49
7.3.230.0090.00916.45
7.3.210.0110.00616.52
7.3.200.0030.01416.35
7.3.190.0040.01316.30
7.3.180.0040.01316.29
7.3.170.0060.01616.27
7.3.160.0070.01016.61
7.2.330.0060.01316.38
7.2.320.0140.00416.73
7.2.310.0200.00316.77
7.2.300.0090.00816.72
7.2.290.0060.01216.42
7.2.60.0030.01316.95
7.2.50.0060.01016.77
7.2.00.0030.01019.43
7.1.200.0000.01115.79
7.1.70.0070.00417.19
7.1.60.0000.01317.20
7.1.50.0260.01334.76
7.1.00.0070.07022.54
7.0.200.0030.01416.70
7.0.100.0130.06020.00
7.0.90.0100.08320.01
7.0.80.0130.05719.97
7.0.70.0130.06320.02
7.0.60.0170.05320.04
7.0.50.0170.06720.32
7.0.40.0200.07320.32
7.0.30.0130.09020.40
7.0.20.0100.07320.43
7.0.10.0100.06720.35
7.0.00.0130.05720.33
5.6.250.0100.06720.84
5.6.240.0300.04020.75
5.6.230.0070.06320.66
5.6.220.0100.06320.80
5.6.210.0130.05720.71
5.6.200.0170.08021.08
5.6.190.0170.06721.02
5.6.180.0370.04321.11
5.6.170.0230.06021.00
5.6.160.0200.04721.17
5.6.150.0170.07021.04
5.6.140.0130.07021.08
5.6.130.0270.07321.19
5.6.120.0100.07721.05
5.6.110.0230.07021.08
5.6.100.0130.07721.05
5.6.90.0100.07021.15
5.6.80.0030.06720.54
5.6.70.0070.08020.55
5.6.60.0130.07720.48
5.6.50.0130.05320.49
5.6.40.0130.05020.40
5.6.30.0130.05020.53
5.6.20.0070.05720.36
5.6.10.0170.05320.44
5.6.00.0170.05320.42

preferences:
62.71 ms | 401 KiB | 5 Q