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);

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)
8.3.60.0040.01116.50
8.3.50.0180.00418.27
8.3.40.0070.01118.67
8.3.30.0070.00718.52
8.3.20.0080.00019.07
8.3.10.0070.00023.61
8.3.00.0080.00022.43
8.2.180.0130.00718.17
8.2.170.0110.00422.96
8.2.160.0090.00621.05
8.2.150.0050.00325.66
8.2.140.0040.00424.66
8.2.130.0070.00022.13
8.2.120.0070.00026.35
8.2.110.0070.00420.94
8.2.100.0060.00617.78
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0000.00817.50
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0040.00420.48
8.2.30.0040.00419.17
8.2.20.0040.00417.67
8.2.10.0040.00417.91
8.2.00.0000.00817.95
8.1.280.0040.01225.92
8.1.270.0060.00323.77
8.1.260.0000.00828.09
8.1.250.0000.00828.09
8.1.240.0030.00622.70
8.1.230.0070.00417.52
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0050.00517.22
8.1.190.0050.00317.10
8.1.180.0050.00318.10
8.1.170.0070.00418.30
8.1.160.0000.00822.13
8.1.150.0070.00018.75
8.1.140.0000.00719.55
8.1.130.0000.00717.54
8.1.120.0030.00317.32
8.1.110.0000.00717.43
8.1.100.0050.00217.42
8.1.90.0000.00717.44
8.1.80.0040.00417.40
8.1.70.0000.00817.36
8.1.60.0000.00717.64
8.1.50.0060.00317.57
8.1.40.0040.00417.55
8.1.30.0040.00417.55
8.1.20.0000.00817.50
8.1.10.0040.00417.34
8.1.00.0040.00417.20
8.0.300.0030.00518.77
8.0.290.0050.00516.63
8.0.280.0000.00718.37
8.0.270.0000.00717.18
8.0.260.0030.00617.12
8.0.250.0000.00716.90
8.0.240.0000.00616.92
8.0.230.0040.00416.86
8.0.220.0030.00516.80
8.0.210.0050.00316.77
8.0.200.0030.00316.77
8.0.190.0020.00516.76
8.0.180.0040.00416.80
8.0.170.0000.00716.82
8.0.160.0030.00316.72
8.0.150.0030.00316.75
8.0.140.0030.00316.80
8.0.130.0050.00013.23
8.0.120.0050.00316.75
8.0.110.0040.00416.73
8.0.100.0040.00416.81
8.0.90.0000.00716.81
8.0.80.0120.00616.72
8.0.70.0040.00416.67
8.0.60.0040.00416.88
8.0.50.0050.00216.83
8.0.30.0140.00717.03
8.0.20.0100.00917.40
8.0.10.0000.00716.91
8.0.00.0180.00616.67
7.4.330.0000.00515.08
7.4.320.0080.00016.47
7.4.300.0070.00016.50
7.4.290.0070.00016.36
7.4.280.0070.00016.50
7.4.270.0030.00316.36
7.4.260.0030.00316.34
7.4.250.0040.00416.45
7.4.240.0040.00416.54
7.4.230.0000.00816.52
7.4.220.0130.00316.42
7.4.210.0070.00916.52
7.4.200.0070.00016.51
7.4.160.0060.00916.45
7.4.150.0150.00317.40
7.4.140.0090.01017.86
7.4.130.0100.00816.46
7.4.120.0090.00916.46
7.4.110.0070.01016.52
7.4.100.0160.00016.39
7.4.90.0130.00316.40
7.4.80.0070.01019.39
7.4.70.0080.01216.53
7.4.60.0130.00416.35
7.4.50.0090.00516.60
7.4.40.0060.01016.30
7.4.30.0090.00616.59
7.4.00.0040.01214.81
7.3.330.0000.00813.10
7.3.320.0030.00312.98
7.3.310.0040.00416.30
7.3.300.0070.00016.18
7.3.290.0000.00716.12
7.3.280.0110.00716.29
7.3.270.0100.00717.40
7.3.260.0150.00316.43
7.3.250.0110.00816.39
7.3.240.0090.00816.22
7.3.230.0150.00016.39
7.3.210.0060.00916.25
7.3.200.0090.00616.32
7.3.190.0150.00316.26
7.3.180.0090.00916.19
7.3.170.0170.00316.42
7.3.160.0060.01116.29
7.3.10.0090.00916.28
7.3.00.0030.00916.53
7.2.330.0100.00616.59
7.2.320.0100.00716.58
7.2.310.0100.01016.23
7.2.300.0120.00316.27
7.2.290.0090.01216.53
7.2.130.0060.00616.73
7.2.120.0030.01216.96
7.2.110.0100.00016.55
7.2.100.0080.00616.70
7.2.90.0080.00616.74
7.2.80.0080.00816.72
7.2.70.0060.00916.89
7.2.60.0070.00716.77
7.2.50.0060.00716.82
7.2.40.0100.00316.61
7.2.30.0040.01116.92
7.2.20.0030.00716.90
7.2.10.0130.00316.68
7.2.00.0050.00717.98
7.1.250.0000.01015.76
7.1.200.0060.00615.84
7.1.70.0000.01017.34
7.1.60.0060.00617.26
7.1.50.0070.01816.57
7.1.00.0100.07022.45
7.0.200.0030.01016.97
7.0.100.0200.06020.04
7.0.90.0200.08020.03
7.0.80.0330.05319.99
7.0.70.0070.06020.19
7.0.60.0170.05020.00
7.0.50.0070.06020.33
7.0.40.0030.09320.24
7.0.30.0070.06320.26
7.0.20.0070.06320.31
7.0.10.0130.05320.33
7.0.00.0100.06020.30
5.6.250.0070.06320.71
5.6.240.0230.06320.63
5.6.230.0030.06720.70
5.6.220.0100.05720.67
5.6.210.0170.05320.87
5.6.200.0100.06021.02
5.6.190.0170.05721.08
5.6.180.0100.06021.02
5.6.170.0170.05021.09
5.6.160.0200.05321.07
5.6.150.0170.07321.01
5.6.140.0100.05721.15
5.6.130.0100.06321.05
5.6.120.0200.05321.09
5.6.110.0130.06721.08
5.6.100.0130.06321.12
5.6.90.0100.06721.14
5.6.80.0070.05720.45
5.6.70.0070.06020.39
5.6.60.0070.05720.55
5.6.50.0130.05320.37
5.6.40.0130.07020.40
5.6.30.0200.06320.33
5.6.20.0130.07320.43
5.6.10.0130.07720.49
5.6.00.0130.05020.43

preferences:
58.37 ms | 401 KiB | 5 Q