3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "abcd\65qwe"; echo $str; echo "\n"; echo strlen($str);

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)
8.3.60.0070.01016.50
8.3.50.0090.00616.12
8.3.40.0120.00318.48
8.3.30.0120.00618.43
8.3.20.0070.00021.87
8.3.10.0030.00621.75
8.3.00.0040.00419.62
8.2.180.0170.00018.31
8.2.170.0170.00322.96
8.2.160.0030.01021.02
8.2.150.0030.00624.18
8.2.140.0070.00024.66
8.2.130.0040.00421.98
8.2.120.0040.00426.35
8.2.110.0150.00619.31
8.2.100.0070.00417.78
8.2.90.0030.00519.19
8.2.80.0040.00417.97
8.2.70.0040.00417.59
8.2.60.0000.00717.93
8.2.50.0060.00318.10
8.2.40.0060.00320.59
8.2.30.0050.00219.22
8.2.20.0040.00418.02
8.2.10.0030.00618.05
8.2.00.0050.00317.95
8.1.280.0090.00625.92
8.1.270.0000.00822.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0180.00321.75
8.1.230.0060.00620.93
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0030.00617.21
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0060.00318.59
8.1.160.0070.00018.71
8.1.150.0070.00020.17
8.1.140.0040.00419.50
8.1.130.0030.00318.83
8.1.120.0000.00717.39
8.1.110.0040.00417.27
8.1.100.0030.00517.39
8.1.90.0000.00817.39
8.1.80.0000.00717.25
8.1.70.0000.00717.26
8.1.60.0000.00817.48
8.1.50.0000.00817.41
8.1.40.0040.00417.32
8.1.30.0040.00417.49
8.1.20.0030.00617.53
8.1.10.0000.00717.34
8.1.00.0040.00417.49
8.0.300.0000.00718.77
8.0.290.0050.00216.75
8.0.280.0030.00318.46
8.0.270.0030.00617.24
8.0.260.0030.00516.80
8.0.250.0030.00316.83
8.0.240.0000.00716.93
8.0.230.0020.00516.90
8.0.220.0030.00316.82
8.0.210.0030.00316.82
8.0.200.0030.00316.88
8.0.190.0030.00616.91
8.0.180.0000.00716.81
8.0.170.0030.00316.87
8.0.160.0040.00416.73
8.0.150.0040.00416.75
8.0.140.0040.00416.71
8.0.130.0080.00013.30
8.0.120.0000.00716.66
8.0.110.0070.00016.68
8.0.100.0000.00716.83
8.0.90.0000.00816.76
8.0.80.0070.01316.87
8.0.70.0000.00716.69
8.0.60.0030.00316.59
8.0.50.0000.00816.92
8.0.30.0060.00917.00
8.0.20.0100.01017.40
8.0.10.0040.00416.80
8.0.00.0180.00416.66
7.4.330.0000.00515.55
7.4.320.0000.00616.53
7.4.300.0060.00016.51
7.4.290.0040.00416.52
7.4.280.0000.00716.41
7.4.270.0000.00716.43
7.4.260.0030.00316.52
7.4.250.0040.00416.49
7.4.240.0040.00216.39
7.4.230.0070.00016.45
7.4.220.0040.01516.35
7.4.210.0080.00816.63
7.4.200.0050.00216.33
7.4.160.0090.00616.30
7.4.150.0100.00717.40
7.4.140.0130.00517.86
7.4.130.0120.00616.45
7.4.120.0140.00916.45
7.4.110.0100.00716.54
7.4.100.0130.00316.46
7.4.90.0080.00816.35
7.4.80.0100.00619.39
7.4.70.0100.00616.45
7.4.60.0130.00316.28
7.4.50.0070.01016.32
7.4.40.0050.01016.34
7.4.30.0080.01116.65
7.4.00.0060.01114.81
7.3.330.0030.00313.23
7.3.320.0000.00513.14
7.3.310.0000.00816.09
7.3.300.0070.00016.27
7.3.290.0080.00716.23
7.3.280.0080.01116.23
7.3.270.0040.01317.40
7.3.260.0090.01116.40
7.3.250.0060.01216.25
7.3.240.0060.01116.38
7.3.230.0090.00916.70
7.3.210.0030.01316.57
7.3.200.0080.00916.44
7.3.190.0090.00616.37
7.3.180.0120.00916.53
7.3.170.0030.02016.53
7.3.160.0090.00616.17
7.3.10.0060.00616.59
7.3.00.0060.00916.51
7.2.330.0000.01716.50
7.2.320.0140.00916.35
7.2.310.0070.01416.24
7.2.300.0070.01016.57
7.2.290.0070.01116.52
7.2.130.0060.00916.61
7.2.120.0070.00516.86
7.2.110.0030.01316.92
7.2.100.0150.00316.78
7.2.90.0110.00316.63
7.2.80.0030.01216.66
7.2.70.0100.00016.66
7.2.60.0070.00816.90
7.2.50.0120.00316.62
7.2.40.0100.00316.90
7.2.30.0040.01116.60
7.2.20.0110.00416.73
7.2.10.0050.00516.82
7.2.00.0080.00517.95
7.1.250.0090.00415.66
7.1.200.0100.00315.38
7.1.100.0030.00817.99
7.1.70.0070.01016.99
7.1.60.0770.02033.08
7.1.50.0870.01733.02
7.1.40.0830.01032.33
7.1.30.0930.01332.50
7.1.20.0830.02032.51
7.1.10.0570.01014.52
7.1.00.0430.01314.57
7.0.200.0530.01014.89
7.0.190.0530.01014.55
7.0.180.0570.01314.05
7.0.170.0670.01014.34
7.0.160.0570.01714.34
7.0.150.0430.01014.36
7.0.140.0530.01714.47
7.0.130.0530.00714.57
7.0.120.0500.00714.53
7.0.110.0400.01014.46
7.0.100.0500.01714.41
7.0.90.0530.01714.55
7.0.80.0470.00714.33
7.0.70.0570.00314.15
7.0.60.0430.00714.00
7.0.50.0400.01014.55
7.0.40.0600.01314.52
7.0.30.0400.01014.63
7.0.20.0470.01014.64
7.0.10.0600.01314.61
7.0.00.0570.00714.29

preferences:
72.05 ms | 400 KiB | 5 Q