3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(str_pad('foo', strlen('bar'), '0', \STR_PAD_LEFT);

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)
5.4.320.0060.04012.50
5.4.310.0030.04212.49
5.4.300.0040.04112.50
5.4.290.0110.03412.49
5.4.280.0030.03712.39
5.4.270.0070.04312.39
5.4.260.0080.04212.39
5.4.250.0070.03712.39
5.4.240.0040.03912.39
5.4.230.0070.03912.38
5.4.220.0090.03812.38
5.4.210.0040.03712.38
5.4.200.0090.04312.38
5.4.190.0060.04812.38
5.4.180.0090.03312.38
5.4.170.0070.03712.38
5.4.160.0030.03812.38
5.4.150.0060.03612.38
5.4.140.0080.05712.07
5.4.130.0140.04412.05
5.4.120.0060.04312.01
5.4.110.0050.04112.01
5.4.100.0090.04612.01
5.4.90.0130.07612.01
5.4.80.0110.04812.01
5.4.70.0060.03812.01
5.4.60.0070.05312.00
5.4.50.0080.04112.01
5.4.40.0090.03711.99
5.4.30.0060.03611.99
5.4.20.0070.03511.98
5.4.10.0070.04511.99
5.4.00.0040.04111.49
5.3.290.0060.04312.80
5.3.280.0070.04312.71
5.3.270.0050.04512.72
5.3.260.0030.04212.72
5.3.250.0090.04012.72
5.3.240.0050.04512.72
5.3.230.0080.03612.71
5.3.220.0080.03512.68
5.3.210.0070.03812.68
5.3.200.0070.03512.68
5.3.190.0060.04012.68
5.3.180.0090.04612.67
5.3.170.0070.03812.67
5.3.160.0040.03912.67
5.3.150.0040.03912.67
5.3.140.0090.03712.66
5.3.130.0030.04112.66
5.3.120.0090.03512.66
5.3.110.0040.04212.66
5.3.100.0110.04712.12
5.3.90.0100.03912.09
5.3.80.0080.03512.07
5.3.70.0050.03812.08
5.3.60.0100.04712.07
5.3.50.0060.05112.00
5.3.40.0110.04712.00
5.3.30.0110.04511.96
5.3.20.0040.04111.73
5.3.10.0050.03811.71
5.3.00.0060.03811.70
5.2.170.0070.0319.19
5.2.160.0030.0339.18
5.2.150.0040.0319.18
5.2.140.0020.0329.18
5.2.130.0050.0289.14
5.2.120.0010.0339.14
5.2.110.0060.0279.14
5.2.100.0030.0299.14
5.2.90.0040.0299.14
5.2.80.0050.0369.14
5.2.70.0070.0279.14
5.2.60.0040.0349.09
5.2.50.0040.0309.06
5.2.40.0050.0299.04
5.2.30.0050.0289.02
5.2.20.0040.0299.01
5.2.10.0040.0358.93
5.2.00.0060.0298.78
5.1.60.0030.0258.07
5.1.50.0030.0268.07
5.1.40.0030.0298.05
5.1.30.0020.0318.39
5.1.20.0040.0288.42
5.1.10.0010.0288.14
5.1.00.0050.0258.15
5.0.50.0030.0216.63
5.0.40.0000.0226.48
5.0.30.0040.0316.29
5.0.20.0000.0236.27
5.0.10.0030.0206.24
5.0.00.0030.0316.23
4.4.90.0050.0134.78
4.4.80.0030.0154.76
4.4.70.0040.0144.75
4.4.60.0040.0144.75
4.4.50.0020.0164.77
4.4.40.0040.0304.71
4.4.30.0020.0154.75
4.4.20.0030.0154.85
4.4.10.0030.0204.85
4.4.00.0070.0294.76
4.3.110.0040.0164.67
4.3.100.0040.0154.66
4.3.90.0030.0184.63
4.3.80.0020.0264.59
4.3.70.0040.0154.63
4.3.60.0000.0194.63
4.3.50.0020.0184.63
4.3.40.0010.0264.54
4.3.30.0010.0173.28
4.3.20.0020.0153.26
4.3.10.0020.0153.21
4.3.00.0370.01313.59

preferences:
144.09 ms | 1398 KiB | 7 Q