3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 123; $b = 123; $c = 123; $d = 123; unset($a); var_dump($a); (unset)$c; var_dump($c);

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)
8.3.40.0110.00318.72
8.3.30.0210.00018.59
8.3.20.0070.00020.21
8.3.10.0070.00021.65
8.3.00.0060.00317.43
8.2.170.0110.00422.96
8.2.160.0110.00320.46
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00422.26
8.2.120.0050.00226.35
8.2.110.0130.00619.08
8.2.100.0070.00417.91
8.2.90.0040.00419.11
8.2.80.0090.00017.97
8.2.70.0000.00817.38
8.2.60.0030.00617.91
8.2.50.0000.00818.10
8.2.40.0030.00520.48
8.2.30.0080.00020.93
8.2.20.0000.00817.80
8.2.10.0040.00417.80
8.2.00.0000.00717.98
8.1.270.0000.00722.14
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00619.05
8.1.230.0060.00618.84
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0070.00317.22
8.1.190.0000.00917.00
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0040.00418.89
8.1.150.0070.00018.74
8.1.140.0000.00719.35
8.1.130.0040.00418.79
8.1.120.0040.00417.28
8.1.110.0040.00417.32
8.1.100.0030.00517.37
8.1.90.0000.00717.18
8.1.80.0070.00017.23
8.1.70.0000.00717.29
8.1.60.0040.00417.45
8.1.50.0000.00817.29
8.1.40.0000.00717.21
8.1.30.0080.00317.46
8.1.20.0040.00417.49
8.1.10.0040.00417.24
8.1.00.0040.00417.35
8.0.300.0070.00318.77
8.0.290.0060.00316.58
8.0.280.0030.00318.26
8.0.270.0000.00716.65
8.0.260.0000.00616.80
8.0.250.0000.00616.85
8.0.240.0040.00416.87
8.0.230.0000.00716.91
8.0.220.0030.00316.72
8.0.210.0040.00416.82
8.0.200.0050.00216.86
8.0.190.0050.00316.80
8.0.180.0040.00416.89
8.0.170.0030.00316.88
8.0.160.0030.00316.88
8.0.150.0070.00016.64
8.0.140.0030.00316.80
8.0.130.0000.00513.20
8.0.120.0040.00416.68
8.0.110.0070.00016.61
8.0.100.0000.00716.84
8.0.90.0040.00416.69
8.0.80.0080.00816.82
8.0.70.0050.00316.80
8.0.60.0000.00816.76
8.0.50.0000.00816.67
8.0.30.0100.00816.93
8.0.20.0100.01017.40
8.0.10.0040.00416.93
8.0.00.0080.01216.57
7.4.330.0020.00215.55
7.4.320.0000.00616.45
7.4.300.0040.00416.48
7.4.290.0000.00716.56
7.4.280.0040.00416.53
7.4.270.0040.00316.64
7.4.260.0000.00716.50
7.4.250.0030.00616.35
7.4.240.0030.00316.52
7.4.230.0000.00716.51
7.4.220.0090.00916.64
7.4.210.0040.01116.52
7.4.200.0070.00016.48
7.4.160.0110.00716.65
7.4.150.0060.01217.40
7.4.140.0130.00917.86
7.4.130.0040.01416.39
7.4.120.0080.01016.44
7.4.110.0100.00616.61
7.4.100.0030.01616.67
7.4.90.0060.01216.49
7.4.80.0120.01219.39
7.4.70.0000.02116.32
7.4.60.0040.01216.42
7.4.50.0090.00916.48
7.4.40.0100.00716.34
7.4.30.0040.01416.46
7.4.00.0080.01014.94
7.3.330.0070.00012.98
7.3.320.0000.00513.04
7.3.310.0040.00416.26
7.3.300.0000.00716.20
7.3.290.0060.01016.27
7.3.280.0090.00916.23
7.3.270.0090.00917.40
7.3.260.0120.00616.30
7.3.250.0080.01016.36
7.3.240.0150.00616.38
7.3.230.0070.01016.39
7.3.210.0040.01416.48
7.3.200.0030.01216.48
7.3.190.0110.00416.47
7.3.180.0130.00316.36
7.3.170.0000.01616.34
7.3.160.0080.00816.40
7.3.120.0030.01915.01
7.3.110.0110.00414.32
7.3.100.0100.00314.74
7.3.90.0040.00714.71
7.3.80.0000.01314.79
7.3.70.0060.00314.84
7.3.60.0100.00714.81
7.3.50.0030.00714.89
7.3.40.0060.00614.72
7.3.30.0090.00014.78
7.3.20.0140.00016.79
7.3.10.0070.00316.27
7.3.00.0030.00616.71
7.2.330.0060.01216.51
7.2.320.0170.00316.53
7.2.310.0040.01116.59
7.2.300.0070.01516.57
7.2.290.0090.00816.44
7.2.250.0060.01115.05
7.2.240.0150.00314.77
7.2.230.0030.01314.84
7.2.220.0040.01114.88
7.2.210.0000.01614.99
7.2.200.0000.01214.61
7.2.190.0060.00315.02
7.2.180.0040.00714.78
7.2.170.0030.01015.11
7.2.60.0070.00416.87
7.2.00.0060.00619.05
7.1.330.0040.01115.66
7.1.320.0030.00915.75
7.1.310.0030.01015.75
7.1.300.0060.00315.90
7.1.290.0080.00315.85
7.1.280.0120.00015.82
7.1.270.0070.00715.83
7.1.260.0060.00315.81
7.1.200.0040.00715.77
7.1.100.0070.00718.14
7.1.70.0070.01117.09
7.1.60.0170.02034.84
7.1.50.0230.01234.50
7.1.40.0210.01534.54
7.1.30.0180.01834.56
7.1.20.0170.01434.50
7.1.10.0110.00816.61
7.1.00.0050.01116.82
7.0.200.0070.01316.63
7.0.190.0060.00616.73
7.0.180.0000.01716.12
7.0.170.0070.01016.14
7.0.160.0070.01016.12
7.0.150.0070.00816.13
7.0.140.0040.01216.25
7.0.130.0030.01116.50
7.0.120.0110.00916.35
7.0.110.0030.01516.39
7.0.100.0100.00816.23
7.0.90.0000.01616.22
7.0.80.0070.01016.44
7.0.70.0090.01116.34
7.0.60.0040.01316.20
7.0.50.0080.01116.28
7.0.40.0060.01216.38
7.0.30.0100.00816.36
7.0.20.0080.00916.45
7.0.10.0070.01016.38
7.0.00.0070.01316.44

preferences:
66.6 ms | 404 KiB | 6 Q