3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(ltrim('//hello', '/ '));

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)
8.3.60.0070.00718.14
8.3.50.0160.01016.50
8.3.40.0130.00318.84
8.3.30.0090.00918.59
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0050.00326.16
8.2.180.0070.01525.92
8.2.170.0090.00618.71
8.2.160.0140.00022.96
8.2.150.0070.00025.66
8.2.140.0040.00424.66
8.2.130.0020.00526.16
8.2.120.0080.00026.35
8.2.110.0030.00622.22
8.2.100.0120.00017.78
8.2.90.0000.00917.75
8.2.80.0060.00318.71
8.2.70.0090.00017.66
8.2.60.0000.00717.91
8.2.50.0050.00318.10
8.2.40.0000.00920.89
8.2.30.0080.00419.00
8.2.20.0050.00317.80
8.2.10.0050.00319.00
8.2.00.0040.00419.07
8.1.280.0110.00725.92
8.1.270.0090.00023.99
8.1.260.0110.00428.09
8.1.250.0000.00728.09
8.1.240.0040.00422.05
8.1.230.0110.00017.64
8.1.220.0080.00017.74
8.1.210.0000.00918.77
8.1.200.0050.00517.23
8.1.190.0000.00817.00
8.1.180.0090.00018.10
8.1.170.0040.00418.50
8.1.160.0060.00318.68
8.1.150.0040.00418.82
8.1.140.0080.00018.76
8.1.130.0000.00719.92
8.1.120.0050.00317.36
8.1.110.0030.00517.36
8.1.100.0030.00317.34
8.1.90.0040.00417.21
8.1.80.0040.00417.36
8.1.70.0070.00017.28
8.1.60.0000.00817.36
8.1.50.0040.00717.45
8.1.40.0000.00817.31
8.1.30.0070.00017.48
8.1.20.0000.00817.49
8.1.10.0030.00617.34
8.1.00.0040.00417.21
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0000.00718.19
8.0.270.0030.00316.69
8.0.260.0030.00318.31
8.0.250.0030.00516.86
8.0.240.0000.00716.72
8.0.230.0030.00316.70
8.0.220.0040.00416.76
8.0.210.0030.00316.80
8.0.200.0050.00216.77
8.0.190.0000.00816.81
8.0.180.0070.00016.83
8.0.170.0000.00816.79
8.0.160.0040.00416.84
8.0.150.0040.00416.78
8.0.140.0000.00716.59
8.0.130.0060.00013.20
8.0.120.0000.00716.71
8.0.110.0000.00716.82
8.0.100.0040.00416.59
8.0.90.0070.00016.80
8.0.80.0070.00916.71
8.0.70.0000.00816.72
8.0.60.0040.00416.78
8.0.50.0070.00016.64
8.0.30.0350.00716.73
8.0.20.0390.01116.79
8.0.10.0260.00616.81
8.0.00.0210.00916.73
7.4.330.0020.00215.55
7.4.320.0000.00616.38
7.4.300.0040.00416.26
7.4.290.0070.00016.41
7.4.280.0030.00616.27
7.4.270.0000.00816.38
7.4.260.0030.00313.15
7.4.250.0070.00016.25
7.4.240.0030.00316.48
7.4.230.0000.00716.51
7.4.220.0020.00516.32
7.4.210.0040.01116.43
7.4.200.0030.00316.18
7.4.160.0310.01216.30
7.4.150.0260.00416.22
7.4.140.0240.01016.31
7.4.130.0250.00516.12
7.4.120.0230.00416.20
7.4.110.0250.01616.01
7.4.100.0320.01216.36
7.4.90.0180.00716.18
7.4.80.0080.02016.11
7.4.70.0150.01516.16
7.4.60.0190.00816.21
7.4.50.0330.00616.04
7.4.40.0200.01016.16
7.4.30.0130.01316.25
7.4.20.0250.00416.27
7.4.10.0160.00916.23
7.4.00.0240.00816.21
7.3.330.0040.00416.15
7.3.320.0060.00013.04
7.3.310.0000.00616.16
7.3.300.0060.00016.07
7.3.290.0080.00816.13
7.3.280.0080.01116.09
7.3.270.0300.00316.00
7.3.260.0260.01016.14
7.3.250.0100.02115.98
7.3.240.0280.00616.00
7.3.230.0230.01116.00
7.3.220.0250.00816.02
7.3.210.0250.00615.98
7.3.200.0240.00616.01
7.3.190.0250.00416.04
7.3.180.0230.00416.11
7.3.170.0370.00315.98
7.3.160.0240.00916.03
7.3.150.0170.01416.05
7.3.140.0170.01316.09
7.3.130.0170.01416.02
7.3.120.0350.00416.03
7.3.110.0270.01315.88
7.3.100.0280.00315.96
7.3.90.0190.01116.29
7.3.80.0230.00816.01
7.3.70.0170.01416.21
7.3.60.0240.00716.09
7.3.50.0220.01116.13
7.3.40.0610.00616.21
7.3.30.0240.00916.21
7.3.20.0610.00816.14
7.3.10.0150.02616.12
7.3.00.0310.01316.04

preferences:
55.16 ms | 401 KiB | 5 Q