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); $var = array('a'=>1, '2'=>2); var_export($var); $var = (object) $var; var_export($var); $var = (array) $var; var_export($var['2']);

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)
8.3.60.0090.00616.63
8.3.50.0120.00618.04
8.3.40.0070.00718.59
8.3.30.0040.01118.71
8.3.20.0050.00319.11
8.3.10.0070.00023.52
8.3.00.0040.00422.29
8.2.180.0140.00316.38
8.2.170.0120.00322.96
8.2.160.0070.01021.05
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0080.00022.30
8.2.120.0090.00026.35
8.2.110.0090.00020.87
8.2.100.0080.00417.91
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0080.00017.93
8.2.50.0060.00318.10
8.2.40.0040.00422.22
8.2.30.0030.00519.25
8.2.20.0000.00717.67
8.2.10.0000.00817.98
8.2.00.0080.00017.96
8.1.280.0130.00725.92
8.1.270.0080.00023.95
8.1.260.0060.00328.09
8.1.250.0040.00428.09
8.1.240.0090.00022.74
8.1.230.0060.00617.51
8.1.220.0030.00517.74
8.1.210.0080.00018.77
8.1.200.0060.00617.23
8.1.190.0040.00417.11
8.1.180.0000.00818.10
8.1.170.0070.00418.59
8.1.160.0070.00022.12
8.1.150.0070.00018.87
8.1.140.0030.00619.39
8.1.130.0030.00317.65
8.1.120.0000.00717.30
8.1.110.0040.00417.41
8.1.100.0030.00317.30
8.1.90.0030.00617.36
8.1.80.0040.00417.38
8.1.70.0050.00317.49
8.1.60.0000.00717.42
8.1.50.0000.00817.52
8.1.40.0000.00717.50
8.1.30.0030.00517.66
8.1.20.0040.00417.63
8.1.10.0000.00817.43
8.1.00.0060.00317.41
8.0.300.0080.00018.77
8.0.290.0020.00516.63
8.0.280.0040.00418.41
8.0.270.0030.00317.13
8.0.260.0000.00917.23
8.0.250.0060.00016.94
8.0.240.0000.00716.88
8.0.230.0050.00316.86
8.0.220.0000.00716.80
8.0.210.0000.00716.84
8.0.200.0030.00316.90
8.0.190.0040.00316.89
8.0.180.0040.00416.88
8.0.170.0040.00416.82
8.0.160.0040.00316.73
8.0.150.0080.00016.88
8.0.140.0080.00016.85
8.0.130.0000.00513.30
8.0.120.0040.00416.77
8.0.110.0050.00316.70
8.0.100.0030.00616.80
8.0.90.0070.00016.77
8.0.80.0150.00016.79
8.0.70.0000.00716.67
8.0.60.0050.00316.79
8.0.50.0050.00316.84
8.0.30.0120.00517.13
8.0.20.0090.00917.40
8.0.10.0040.00416.96
8.0.00.0070.01816.58
7.4.330.0020.00215.14
7.4.320.0040.00416.64
7.4.300.0030.00316.58
7.4.290.0030.00616.42
7.4.280.0030.00516.60
7.4.270.0070.00016.61
7.4.260.0030.00316.63
7.4.250.0080.00016.41
7.4.240.0040.00416.57
7.4.230.0050.00316.60
7.4.220.0220.00616.53
7.4.210.0070.00816.56
7.4.200.0070.00016.41
7.4.160.0120.00416.45
7.4.150.0100.00717.40
7.4.140.0100.00717.86
7.4.130.0120.00916.39
7.4.120.0020.01616.58
7.4.110.0130.00316.51
7.4.100.0090.00916.56
7.4.90.0120.00616.31
7.4.80.0070.01119.39
7.4.70.0090.01216.40
7.4.60.0100.00716.30
7.4.50.0000.01616.53
7.4.40.0070.01016.46
7.4.30.0070.00716.41
7.4.00.0140.00314.99
7.3.330.0080.00013.27
7.3.320.0060.00013.17
7.3.310.0000.00716.31
7.3.300.0000.00716.38
7.3.290.0000.00716.12
7.3.280.0090.00916.29
7.3.270.0130.00917.40
7.3.260.0080.00916.26
7.3.250.0120.00916.44
7.3.240.0120.00516.27
7.3.230.0090.00616.39
7.3.210.0080.00916.29
7.3.200.0130.00316.43
7.3.190.0100.00716.36
7.3.180.0090.00916.30
7.3.170.0120.00616.44
7.3.160.0060.01216.50
7.3.10.0110.00416.32
7.3.00.0110.00816.35
7.2.330.0000.01816.64
7.2.320.0090.00916.64
7.2.310.0060.01216.54
7.2.300.0160.00616.56
7.2.290.0090.00616.33
7.2.130.0170.00316.33
7.2.120.0100.00316.23
7.2.110.0150.00316.20
7.2.100.0130.00615.98
7.2.90.0080.00816.20
7.2.80.0090.00616.14
7.2.70.0080.00816.21
7.2.60.0100.00716.60
7.2.50.0090.00816.55
7.2.40.0160.00416.01
7.2.30.0090.00915.82
7.2.20.0220.00316.43
7.2.10.0130.00616.24
7.2.00.0080.01017.94
7.1.250.0070.00715.45
7.1.200.0060.00615.55
7.1.70.0090.00017.34
7.1.60.0000.01317.27
7.1.50.0100.00716.99
7.1.00.0070.07322.57
7.0.200.0030.01416.88
7.0.100.0170.05319.96
7.0.90.0200.06319.97
7.0.80.0270.05320.06
7.0.70.0030.06319.96
7.0.60.0070.06019.95
7.0.50.0270.07320.45
7.0.40.0130.05320.35
7.0.30.0170.05320.32
7.0.20.0130.06020.37
7.0.10.0170.05720.24
7.0.00.0070.07320.32
5.6.250.0170.05720.73
5.6.240.0130.05720.75
5.6.230.0100.06020.56
5.6.220.0000.09020.64
5.6.210.0170.05320.82
5.6.200.0130.05321.19
5.6.190.0070.06321.13
5.6.180.0100.05721.05
5.6.170.0070.06021.11
5.6.160.0270.06321.07
5.6.150.0070.08321.11
5.6.140.0100.05721.02
5.6.130.0200.05021.05
5.6.120.0230.07021.05
5.6.110.0170.07721.06
5.6.100.0200.06721.14
5.6.90.0200.07321.05
5.6.80.0070.06320.48
5.6.70.0100.05720.52
5.6.60.0130.05020.43
5.6.50.0100.05020.53
5.6.40.0130.06020.43
5.6.30.0070.05720.49
5.6.20.0100.06320.43
5.6.10.0200.05020.44
5.6.00.0170.04720.50

preferences:
58.66 ms | 400 KiB | 5 Q