3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "\\\x40"; $strip_hex = '#[\\]+' $clean = preg_replace($strip_hex,'',$str); echo $clean;

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)
5.6.80.0230.06720.29
5.5.240.0030.07320.15
5.4.400.0330.05718.72
5.4.390.0400.05718.63
5.4.380.0530.06718.61
5.4.370.0270.07318.69
5.4.360.0300.05718.80
5.4.350.0370.05718.52
5.4.340.0270.06318.62
5.4.320.0330.05718.78
5.4.310.0400.05018.77
5.4.300.0300.06318.72
5.4.290.0330.06318.59
5.4.280.0430.07318.62
5.4.270.0430.04318.62
5.4.260.0370.05018.74
5.4.250.0500.04718.74
5.4.240.0430.05718.78
5.4.230.0330.05318.51
5.4.220.0600.06018.70
5.4.210.0300.06318.59
5.4.200.0430.05316.67
5.4.190.0400.06318.75
5.4.180.0570.05018.48
5.4.170.0330.07718.45
5.4.160.0430.04718.59
5.4.150.0330.05318.77
5.4.140.0370.04716.29
5.4.130.0430.06316.29
5.4.120.0370.07016.21
5.4.110.0400.06316.27
5.4.100.0300.06016.16
5.4.90.0530.06016.31
5.4.80.0330.07316.25
5.4.70.0400.06016.26
5.4.60.0270.05316.16
5.4.50.0200.06016.26
5.4.40.0430.05316.22
5.4.30.0670.05716.19
5.4.20.0370.07316.22
5.4.10.0330.05016.38
5.4.00.0300.05715.88
5.3.290.0470.05014.58
5.3.280.0500.04314.60
5.3.270.0430.06014.52
5.3.260.0570.04714.66
5.3.250.0430.06314.70
5.3.240.0370.07314.57
5.3.230.0570.06314.60
5.3.220.0700.05314.46
5.3.210.0500.06714.48
5.3.200.0530.06314.48
5.3.190.0270.06014.56
5.3.180.0430.04714.51
5.3.170.0330.05314.56
5.3.160.0300.07714.49
5.3.150.0430.05314.46
5.3.140.0530.05314.52
5.3.130.0500.07314.55
5.3.120.0370.07714.62
5.3.110.0400.05314.64
5.3.100.0570.06013.96
5.3.90.0500.06314.00
5.3.80.0470.05713.96
5.3.70.0100.05314.09
5.3.60.0200.05313.92
5.3.50.0370.06313.92
5.3.40.0670.06313.93
5.3.30.0430.06314.00
5.3.20.0370.05013.60
5.3.10.0370.04713.75
5.3.00.0200.06713.63
5.2.170.0270.05011.30
5.2.160.0200.04711.19
5.2.150.0430.03311.15
5.2.140.0200.05711.17
5.2.130.0270.05311.07
5.2.120.0300.05011.13
5.2.110.0370.04711.25
5.2.100.0230.06011.11
5.2.90.0230.05311.11
5.2.80.0230.05011.10
5.2.70.0300.04711.09
5.2.60.0200.05011.08
5.2.50.0230.04311.06
5.2.40.0230.04010.95
5.2.30.0300.05011.01
5.2.20.0200.04010.94
5.2.10.0200.03711.00
5.2.00.0270.03710.76
5.1.60.0200.04010.05
5.1.50.0200.04310.13
5.1.40.0200.04010.03
5.1.30.0330.03710.34
5.1.20.0230.05710.45
5.1.10.0200.05310.04
5.1.00.0230.04310.14
5.0.50.0070.0338.59
5.0.40.0100.0308.38
5.0.30.0070.0478.36
5.0.20.0200.0238.30
5.0.10.0030.0378.29
5.0.00.0130.0478.19
4.4.90.0070.0237.31
4.4.80.0130.0207.31
4.4.70.0270.0177.31
4.4.60.0200.0207.31
4.4.50.0130.0237.31
4.4.40.0170.0337.31
4.4.30.0130.0207.31
4.4.20.0130.0237.31
4.4.10.0130.0237.31
4.4.00.0270.0237.31
4.3.110.0200.0137.31
4.3.100.0170.0177.31
4.3.90.0100.0237.31
4.3.80.0330.0337.31
4.3.70.0170.0137.31
4.3.60.0170.0177.31
4.3.50.0200.0207.31
4.3.40.0070.0377.31
4.3.30.0100.0237.31
4.3.20.0030.0277.31
4.3.10.0100.0207.31
4.3.00.0070.0206.86

preferences:
140.5 ms | 1394 KiB | 7 Q