3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text = "AThis is me"; $text[0] = ''; echo $text;

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)
8.3.60.0140.00016.88
8.3.50.0140.00016.25
8.3.40.0190.00318.77
8.3.30.0100.00318.84
8.3.20.0070.00020.34
8.3.10.0050.00323.53
8.3.00.0000.00723.66
8.2.180.0060.00918.29
8.2.170.0150.00022.96
8.2.160.0100.00720.39
8.2.150.0070.00725.66
8.2.140.0030.00524.66
8.2.130.0000.00819.54
8.2.120.0070.00026.35
8.2.110.0060.00319.21
8.2.100.0080.00417.91
8.2.90.0000.01018.93
8.2.80.0080.00017.97
8.2.70.0060.00317.50
8.2.60.0050.00317.80
8.2.50.0000.00818.07
8.2.40.0080.00022.29
8.2.30.0000.00720.61
8.2.20.0020.00517.79
8.2.10.0040.00417.99
8.2.00.0090.00018.16
8.1.280.0100.01025.92
8.1.270.0060.00323.82
8.1.260.0050.00328.09
8.1.250.0040.00428.09
8.1.240.0000.00921.30
8.1.230.0070.00417.45
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0000.00817.35
8.1.180.0080.00018.10
8.1.170.0030.00618.69
8.1.160.0000.00720.75
8.1.150.0000.00718.79
8.1.140.0040.00419.63
8.1.130.0070.00017.60
8.1.120.0030.00417.39
8.1.110.0000.00717.34
8.1.100.0040.00417.50
8.1.90.0020.00517.36
8.1.80.0000.00717.34
8.1.70.0030.00317.33
8.1.60.0040.00417.61
8.1.50.0040.00417.40
8.1.40.0040.00417.54
8.1.30.0040.00417.71
8.1.20.0000.00717.57
8.1.10.0040.00417.57
8.1.00.0000.00817.48
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0030.00318.48
8.0.270.0030.00317.25
8.0.260.0040.00417.25
8.0.250.0000.00816.90
8.0.240.0060.00016.91
8.0.230.0030.00317.07
8.0.220.0040.00316.98
8.0.210.0040.00416.81
8.0.200.0030.00316.97
8.0.190.0050.00316.91
8.0.180.0000.00816.94
8.0.170.0060.00717.00
8.0.160.0000.00717.02
8.0.150.0070.00017.00
8.0.140.0050.00316.93
8.0.130.0060.00013.30
8.0.120.0050.00316.82
8.0.110.0070.00017.00
8.0.100.0000.00816.80
8.0.90.0020.00516.90
8.0.80.0090.00616.93
8.0.70.0030.00516.88
8.0.60.0000.00717.02
8.0.50.0040.00416.92
8.0.30.0120.00716.96
8.0.20.0120.01017.40
8.0.10.0070.00017.01
8.0.00.0080.01016.83
7.4.330.0050.00016.73
7.4.320.0030.00316.58
7.4.300.0060.00016.45
7.4.290.0030.00316.44
7.4.280.0060.00316.48
7.4.270.0000.00716.51
7.4.260.0100.00016.46
7.4.250.0000.00716.45
7.4.240.0020.00516.58
7.4.230.0000.00716.57
7.4.220.0100.01016.51
7.4.210.0080.00516.50
7.4.200.0000.00716.59
7.4.160.0090.01216.36
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0130.00516.43
7.4.120.0120.00716.53
7.4.110.0120.00616.43
7.4.100.0150.00316.59
7.4.90.0180.00416.45
7.4.80.0000.01619.39
7.4.70.0100.01316.50
7.4.60.0130.00316.55
7.4.50.0100.00216.36
7.4.40.0090.01216.55
7.4.30.0130.00316.40
7.4.00.0040.01114.84
7.3.330.0000.00613.23
7.3.320.0060.00013.11
7.3.310.0070.00016.57
7.3.300.0070.00016.46
7.3.290.0040.00416.41
7.3.280.0070.00916.39
7.3.270.0090.00917.40
7.3.260.0100.01316.35
7.3.250.0140.00416.38
7.3.240.0120.00816.41
7.3.230.0150.00316.39
7.3.210.0030.01316.50
7.3.200.0120.00919.39
7.3.190.0130.00316.36
7.3.180.0030.01216.46
7.3.170.0110.00616.40
7.3.160.0040.01216.42
7.2.330.0130.00316.62
7.2.320.0130.00716.76
7.2.310.0140.00416.47
7.2.300.0160.00716.27
7.2.290.0100.00716.66
7.2.60.0060.00616.71
7.2.00.0030.01019.32
7.1.200.0030.01015.61
7.1.100.0000.01217.76
7.1.70.0070.01017.05
7.1.60.0080.00819.21
7.1.50.0100.01416.58
7.1.00.0030.07722.36
7.0.200.0030.00616.69
7.0.60.0030.04021.66
7.0.50.0100.07717.80
7.0.40.0100.06020.20
7.0.30.0300.07720.30
7.0.20.0330.04720.18
7.0.10.0130.07320.13
7.0.00.0100.03720.16
5.6.280.0000.05320.97
5.6.210.0070.05020.46
5.6.200.0030.06718.14
5.6.190.0030.09020.77
5.6.180.0330.07720.45
5.6.170.0300.05320.49
5.6.160.0100.05020.41
5.6.150.0070.04018.11
5.6.140.0030.07718.18
5.6.130.0100.08018.10
5.6.120.0030.05020.99
5.6.110.0200.06721.03
5.6.100.0130.07720.95
5.6.90.0200.07320.84
5.6.80.0100.08020.27
5.5.350.0070.09020.52
5.5.340.0200.07017.88
5.5.330.0000.06320.41
5.5.320.0530.04320.32
5.5.310.0230.08020.20
5.5.300.0070.03317.91
5.5.290.0100.06317.95
5.5.280.0170.05020.76
5.5.270.0100.08320.72
5.5.260.0030.05720.63
5.5.250.0100.07720.46
5.5.240.0200.04020.05

preferences:
48.68 ms | 400 KiB | 5 Q