3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'p055255'; echo substr($string, 0,5); ?>

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)
8.3.70.0150.00018.43
8.3.60.0120.00918.15
8.3.50.0030.01017.86
8.3.40.0140.00718.52
8.3.30.0140.00018.76
8.3.20.0070.00721.90
8.3.10.0040.00423.53
8.3.00.0040.00423.66
8.2.180.0000.01516.63
8.2.170.0100.01018.89
8.2.160.0070.00722.96
8.2.150.0040.00424.18
8.2.140.0030.00624.66
8.2.130.0040.00420.92
8.2.120.0090.00626.35
8.2.110.0070.00321.08
8.2.100.0000.01117.72
8.2.90.0030.00618.03
8.2.80.0000.00818.00
8.2.70.0000.00817.92
8.2.60.0040.00417.93
8.2.50.0040.00418.10
8.2.40.0000.00919.09
8.2.30.0000.00719.20
8.2.20.0070.00018.04
8.2.10.0070.00017.90
8.2.00.0030.00617.97
8.1.280.0120.00325.92
8.1.270.0030.00524.01
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0040.00423.84
8.1.230.0070.00421.03
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.25
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.50
8.1.160.0040.00418.82
8.1.150.0030.00318.95
8.1.140.0040.00417.57
8.1.130.0030.00319.11
8.1.120.0040.00417.39
8.1.110.0000.00717.29
8.1.100.0040.00417.36
8.1.90.0000.01117.23
8.1.80.0000.00717.27
8.1.70.0000.00717.35
8.1.60.0030.00617.54
8.1.50.0080.00317.44
8.1.40.0040.00417.51
8.1.30.0040.00417.48
8.1.20.0020.00517.59
8.1.10.0030.00517.55
8.1.00.0030.00517.33
8.0.300.0000.00719.94
8.0.290.0070.00016.75
8.0.280.0030.00318.43
8.0.270.0050.00217.17
8.0.260.0000.00617.20
8.0.250.0030.00316.87
8.0.240.0070.00017.00
8.0.230.0040.00416.80
8.0.220.0070.00016.77
8.0.210.0000.00716.84
8.0.200.0070.00016.91
8.0.190.0000.00716.80
8.0.180.0040.00416.89
8.0.170.0040.00416.70
8.0.160.0030.00616.83
8.0.150.0030.00316.66
8.0.140.0030.00316.84
8.0.130.0000.00613.21
8.0.120.0040.00416.75
8.0.110.0050.00216.77
8.0.100.0000.00716.62
8.0.90.0040.00416.63
8.0.80.0030.01316.80
8.0.70.0050.00316.79
8.0.60.0040.00416.72
8.0.50.0050.00316.61
8.0.30.0110.00817.05
8.0.20.0110.01317.40
8.0.10.0040.00416.92
8.0.00.0100.00816.51
7.4.330.0000.00515.55
7.4.320.0030.00316.51
7.4.300.0070.00016.58
7.4.290.0000.00716.52
7.4.280.0030.00316.39
7.4.270.0000.00616.45
7.4.260.0100.00016.42
7.4.250.0030.00316.42
7.4.240.0030.00316.44
7.4.230.0050.00216.51
7.4.220.0000.00816.52
7.4.210.0090.01116.59
7.4.200.0070.00016.65
7.4.160.0050.01116.44
7.4.140.0110.00717.86
7.4.130.0120.00616.62
7.4.120.0070.01016.37
7.4.110.0030.01816.37
7.4.100.0120.00916.44
7.4.90.0100.00716.41
7.4.80.0060.01319.39
7.4.70.0100.00716.41
7.4.60.0090.01316.36
7.4.50.0040.00816.30
7.4.40.0100.00616.29
7.4.00.0070.00714.98
7.3.330.0000.00512.94
7.3.320.0000.00612.99
7.3.310.0030.00316.00
7.3.300.0030.00316.16
7.3.290.0070.00015.99
7.3.280.0090.00816.13
7.3.260.0110.00816.13
7.3.240.0090.00916.21
7.3.230.0120.00616.42
7.3.210.0100.00716.26
7.3.200.0030.01316.07
7.3.190.0130.00716.20
7.3.180.0130.00316.20
7.3.170.0030.01316.23
7.3.160.0160.00016.23
7.2.330.0120.00616.57
7.2.320.0150.00616.48
7.2.310.0070.01316.26
7.2.300.0090.00916.32
7.2.290.0070.01416.59
7.2.60.0130.00316.72
7.2.50.0000.01516.82
7.2.40.0490.01117.70
7.2.30.0490.01117.65
7.2.20.0460.00917.64
7.2.10.0500.01017.64
7.2.00.0550.01017.87
7.1.200.0030.00915.56
7.1.160.0500.01116.52
7.1.150.0750.01216.84
7.1.140.0620.00716.27
7.1.130.0470.00916.41
7.1.120.0690.01016.82
7.1.110.0650.00815.57
7.1.100.0860.01116.16
7.1.90.0640.01116.16
7.1.80.0650.01116.08
7.1.70.0750.01015.16
7.1.60.0810.00833.12
7.1.50.0780.00733.00
7.1.40.0660.01832.27
7.1.30.0720.01232.48
7.1.20.0700.00832.85
7.1.10.1100.00914.90
7.1.00.0570.01114.69

preferences:
48.79 ms | 400 KiB | 5 Q