3v4l.org

run code in 300+ PHP versions simultaneously
<?php <?php $spl="This string has special character ε in it"; $spl=str_replace("ε","\\epsilon",$spl); var_dump($spl);

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)
5.4.350.0090.05812.02
5.4.340.0070.04212.01
5.4.320.0050.04112.50
5.4.310.0100.05112.49
5.4.300.0100.04012.49
5.4.290.0050.04612.49
5.4.280.0080.04212.39
5.4.270.0090.03812.39
5.4.260.0110.04712.39
5.4.250.0060.04012.39
5.4.240.0090.03712.39
5.4.230.0080.03912.38
5.4.220.0070.03912.38
5.4.210.0060.04012.38
5.4.200.0060.04212.38
5.4.190.0070.03812.38
5.4.180.0100.03612.38
5.4.170.0050.03712.39
5.4.160.0040.04012.38
5.4.150.0050.03912.38
5.4.140.0070.04012.07
5.4.130.0100.03312.05
5.4.120.0100.03812.02
5.4.110.0120.04612.01
5.4.100.0080.03912.02
5.4.90.0060.05212.01
5.4.80.0080.04212.01
5.4.70.0200.06712.01
5.4.60.0140.05812.00
5.4.50.0100.03812.01
5.4.40.0060.04011.99
5.4.30.0080.03811.99
5.4.20.0090.03711.98
5.4.10.0060.03611.99
5.4.00.0110.03711.49
5.3.290.0090.04212.80
5.3.280.0120.03612.71
5.3.270.0080.03912.72
5.3.260.0070.05012.72
5.3.250.0110.04812.72
5.3.240.0060.05312.72
5.3.230.0070.04412.71
5.3.220.0100.04912.68
5.3.210.0090.05012.68
5.3.200.0140.04412.68
5.3.190.0100.04412.68
5.3.180.0130.04712.68
5.3.170.0050.04212.67
5.3.160.0120.03212.67
5.3.150.0080.03812.68
5.3.140.0060.04212.66
5.3.130.0110.04012.65
5.3.120.0070.04012.66
5.3.110.0080.04512.66
5.3.100.0120.04312.12
5.3.90.0090.04412.08
5.3.80.0090.03912.07
5.3.70.0070.03712.08
5.3.60.0070.03812.06
5.3.50.0070.03812.00
5.3.40.0060.04112.00
5.3.30.0100.03611.95
5.3.20.0080.03911.73
5.3.10.0100.03511.70
5.3.00.0060.04011.68
5.2.170.0020.0359.18
5.2.160.0080.0319.18
5.2.150.0040.0339.18
5.2.140.0040.0329.18
5.2.130.0050.0309.14
5.2.120.0080.0309.14
5.2.110.0150.0489.14
5.2.100.0050.0389.14
5.2.90.0110.0429.14
5.2.80.0060.0329.14
5.2.70.0060.0389.14
5.2.60.0070.0409.09
5.2.50.0100.0379.05
5.2.40.0080.0369.03
5.2.30.0090.0279.01
5.2.20.0090.0289.01
5.2.10.0040.0338.93
5.2.00.0050.0308.78
5.1.60.0050.0248.06
5.1.50.0060.0288.06
5.1.40.0070.0308.05
5.1.30.0080.0348.39
5.1.20.0080.0338.42
5.1.10.0080.0238.14
5.1.00.0060.0258.14
5.0.50.0050.0216.62
5.0.40.0050.0216.48
5.0.30.0050.0356.29
5.0.20.0070.0206.27
5.0.10.0050.0226.24
5.0.00.0070.0286.23
4.4.90.0020.0174.78
4.4.80.0030.0194.75
4.4.70.0040.0164.75
4.4.60.0030.0164.76
4.4.50.0050.0164.77
4.4.40.0060.0224.71
4.4.30.0030.0174.76
4.4.20.0050.0194.84
4.4.10.0050.0204.85
4.4.00.0050.0234.75
4.3.110.0050.0154.67
4.3.100.0060.0134.66
4.3.90.0040.0144.63
4.3.80.0020.0264.58
4.3.70.0010.0164.63
4.3.60.0070.0144.63
4.3.50.0050.0154.63
4.3.40.0020.0274.53
4.3.30.0010.0183.28
4.3.20.0020.0183.25
4.3.10.0040.0163.22
4.3.00.0030.0276.57

preferences:
141.65 ms | 1394 KiB | 7 Q