3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "Hello World!"; for ($i = 0; $i <= 5; $i++) { var_dump($string[$i]); unset($string[$i]); }

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)
8.3.60.0100.01018.30
8.3.50.0100.00821.15
8.3.40.0030.01718.84
8.3.30.0130.00318.84
8.3.20.0070.00020.18
8.3.10.0040.00421.89
8.3.00.0000.00823.48
8.2.180.0120.00318.41
8.2.170.0070.00722.96
8.2.160.0070.00720.39
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00020.75
8.2.120.0090.00026.35
8.2.110.0060.00322.11
8.2.100.0000.01117.72
8.2.90.0080.00017.93
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0000.00817.91
8.2.50.0000.00918.09
8.2.40.0070.00420.41
8.2.30.0050.00319.30
8.2.20.0040.00417.79
8.2.10.0030.00617.93
8.2.00.0070.00018.00
8.1.280.0030.01225.92
8.1.270.0080.00022.19
8.1.260.0040.00428.09
8.1.250.0060.00328.09
8.1.240.0090.00023.88
8.1.230.0000.01121.04
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0040.00417.23
8.1.190.0060.00317.34
8.1.180.0000.00718.10
8.1.170.0000.00818.53
8.1.160.0000.00720.65
8.1.150.0040.00420.58
8.1.140.0040.00419.48
8.1.130.0030.00317.51
8.1.120.0000.00817.36
8.1.110.0040.00417.37
8.1.100.0040.00417.33
8.1.90.0000.00717.23
8.1.80.0000.00717.45
8.1.70.0030.00517.38
8.1.60.0080.00417.41
8.1.50.0030.00517.40
8.1.40.0000.00817.39
8.1.30.0050.00317.67
8.1.20.0040.00417.48
8.1.10.0000.00717.42
8.1.00.0000.00717.43
8.0.300.0050.00320.09
8.0.290.0040.00416.75
8.0.280.0070.00018.38
8.0.270.0030.00317.09
8.0.260.0030.00317.12
8.0.250.0050.00316.84
8.0.240.0040.00416.99
8.0.230.0030.00316.99
8.0.220.0070.00316.88
8.0.210.0060.00316.77
8.0.200.0000.00816.98
8.0.190.0040.00416.85
8.0.180.0000.00816.87
8.0.170.0070.00016.89
8.0.160.0040.00416.90
8.0.150.0040.00416.84
8.0.140.0040.00416.81
8.0.130.0030.00313.27
8.0.120.0000.00816.85
8.0.110.0040.00416.77
8.0.100.0040.00416.88
8.0.90.0000.00716.91
8.0.80.0060.01016.82
8.0.70.0000.00716.65
8.0.60.0020.00516.75
8.0.50.0040.00416.75
8.0.30.0080.01117.34
8.0.20.0130.00617.40
8.0.10.0000.00817.07
8.0.00.0090.00816.61
7.4.330.0000.00516.89
7.4.320.0030.00316.48
7.4.300.0030.00316.49
7.4.290.0070.00016.50
7.4.280.0060.00316.34
7.4.270.0030.00316.52
7.4.260.0030.00316.50
7.4.250.0000.00816.45
7.4.240.0040.00416.51
7.4.230.0030.00316.63
7.4.220.0160.00316.70
7.4.210.0100.00516.49
7.4.200.0000.00716.57
7.4.160.0150.00016.43
7.4.150.0160.00317.40
7.4.140.0110.00917.86
7.4.130.0080.01116.56
7.4.120.0100.00716.71
7.4.110.0070.01016.42
7.4.100.0120.01216.60
7.4.90.0070.01016.52
7.4.80.0130.01019.39
7.4.70.0110.00516.52
7.4.60.0130.00316.39
7.4.50.0070.00716.38
7.4.40.0060.01616.42
7.4.30.0080.01116.64
7.4.00.0000.01715.04
7.3.330.0050.00013.23
7.3.320.0000.00513.21
7.3.310.0040.00416.39
7.3.300.0030.00316.23
7.3.290.0070.00016.23
7.3.280.0060.01016.38
7.3.270.0140.01217.40
7.3.260.0130.00516.48
7.3.250.0110.00916.59
7.3.240.0080.00816.39
7.3.230.0190.00316.49
7.3.210.0110.00816.61
7.3.200.0140.01019.39
7.3.190.0150.00316.32
7.3.180.0090.00616.54
7.3.170.0070.01316.46
7.3.160.0060.01216.31
7.3.10.0070.01016.34
7.3.00.0030.01016.46
7.2.330.0110.00616.84
7.2.320.0100.01316.66
7.2.310.0080.01216.63
7.2.300.0070.01016.65
7.2.290.0080.00816.63
7.2.130.0000.01216.80
7.2.120.0030.01016.99
7.2.110.0070.01016.77
7.2.100.0090.00616.75
7.2.90.0080.00317.00
7.2.80.0030.01016.91
7.2.70.0000.01316.73
7.2.60.0050.00816.86
7.2.50.0040.01116.99
7.2.40.0070.00316.86
7.2.30.0030.00717.05
7.2.20.0080.00616.79
7.2.10.0110.00416.86
7.2.00.0020.01018.14
7.1.250.0090.00315.86
7.1.200.0070.00315.83
7.1.100.0070.00718.14
7.1.70.0100.01017.35
7.1.60.0150.00919.40
7.1.50.0030.01017.02
7.1.00.0030.08322.48
7.0.200.0460.00614.35
7.0.60.0270.06019.86
7.0.50.0070.08017.96
7.0.40.0100.04020.06
7.0.30.0470.06720.20
7.0.20.0330.08320.00
7.0.10.0000.05020.17
7.0.00.0100.03720.16
5.6.280.0000.03721.10
5.6.210.0100.08020.49
5.6.200.0070.05318.11
5.6.190.0000.06320.27
5.6.180.0400.07320.77
5.6.170.0400.05720.48
5.6.160.0100.05720.50
5.6.150.0030.04318.19
5.6.140.0000.05318.11
5.6.130.0070.04018.22
5.6.120.0000.04321.02
5.6.110.0130.08021.01
5.6.100.0100.08021.10
5.6.90.0100.07720.99
5.6.80.0070.05320.38
5.5.350.4070.05020.40
5.5.340.0070.07317.95
5.5.330.0070.08320.40
5.5.320.0270.04720.32
5.5.310.0170.07020.28
5.5.300.0100.07717.90
5.5.290.0170.07318.02
5.5.280.0070.07320.86
5.5.270.0170.06720.84
5.5.260.0000.04320.75
5.5.250.0070.06020.71
5.5.240.0200.06320.11

preferences:
46.53 ms | 401 KiB | 5 Q