3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'a'; foreach ($a as $b) { echo 'a'; }

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)
8.3.60.0110.00416.75
8.3.50.0050.00816.41
8.3.40.0130.00818.57
8.3.30.0130.00318.50
8.3.20.0000.00720.20
8.3.10.0080.00021.68
8.3.00.0030.00617.25
8.2.180.0090.00916.38
8.2.170.0100.00722.96
8.2.160.0000.01420.39
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00221.00
8.2.120.0050.00226.35
8.2.110.0070.00319.21
8.2.100.0080.00318.03
8.2.90.0050.00319.17
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0040.00418.04
8.2.50.0040.00418.10
8.2.40.0070.00020.42
8.2.30.0050.00321.12
8.2.20.0080.00017.93
8.2.10.0040.00418.11
8.2.00.0040.00418.13
8.1.280.0090.00925.92
8.1.270.0080.00022.01
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00322.41
8.1.230.0090.00517.42
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0100.00017.35
8.1.190.0000.00917.23
8.1.180.0040.00418.10
8.1.170.0040.00418.87
8.1.160.0030.00518.93
8.1.150.0040.00420.67
8.1.140.0100.00019.48
8.1.130.0030.00318.88
8.1.120.0000.00717.52
8.1.110.0060.00317.43
8.1.100.0080.00017.41
8.1.90.0000.00717.39
8.1.80.0040.00417.47
8.1.70.0000.00717.44
8.1.60.0030.00517.51
8.1.50.0000.00817.41
8.1.40.0000.00717.51
8.1.30.0040.00417.57
8.1.20.0070.00017.54
8.1.10.0040.00417.43
8.1.00.0040.00417.29
8.0.300.0070.00318.77
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0070.00017.35
8.0.260.0030.00316.78
8.0.250.0020.00517.02
8.0.240.0030.00716.98
8.0.230.0070.00017.04
8.0.220.0070.00016.99
8.0.210.0030.00316.82
8.0.200.0040.00416.99
8.0.190.0000.00917.03
8.0.180.0000.00717.03
8.0.170.0070.00017.01
8.0.160.0050.00316.99
8.0.150.0030.00316.88
8.0.140.0000.00716.94
8.0.130.0000.00513.38
8.0.120.0040.00416.91
8.0.110.0000.00716.75
8.0.100.0000.00716.84
8.0.90.0000.00716.92
8.0.80.0090.01416.93
8.0.70.0000.00816.85
8.0.60.0050.00316.74
8.0.50.0000.00716.81
8.0.30.0080.01016.93
8.0.20.0130.00617.40
8.0.10.0000.00817.00
8.0.00.0070.01016.98
7.4.330.0030.00315.55
7.4.320.0030.00316.57
7.4.300.0060.00016.50
7.4.290.0030.00316.56
7.4.280.0040.00416.58
7.4.270.0000.00716.42
7.4.260.0030.00316.34
7.4.250.0050.00216.46
7.4.240.0000.00716.53
7.4.230.0040.00416.55
7.4.220.0070.01016.52
7.4.210.0100.00316.45
7.4.200.0000.00816.59
7.4.160.0050.01316.55
7.4.150.0040.01317.40
7.4.140.0100.00717.86
7.4.130.0100.01616.41
7.4.120.0120.00616.47
7.3.330.0070.00013.18
7.3.320.0060.00013.01
7.3.310.0070.00016.21
7.3.300.0070.00016.15
7.3.290.0110.00816.26
7.3.280.0080.00816.24
7.3.270.0090.00917.40
7.3.260.0080.00916.23
7.3.250.0100.01116.40
7.3.240.0130.00416.19
7.1.70.0070.00717.06

preferences:
35.69 ms | 400 KiB | 5 Q