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)
8.3.60.0120.00318.52
8.3.50.0100.00821.92
8.3.40.0070.01018.80
8.3.30.0000.01419.02
8.3.20.0050.00320.16
8.3.10.0040.00421.77
8.3.00.0000.00819.26
8.2.180.0120.00318.29
8.2.170.0120.00322.96
8.2.160.0070.01020.52
8.2.150.0000.00724.18
8.2.140.0030.00624.66
8.2.130.0030.00626.16
8.2.120.0040.00419.36
8.2.110.0030.00619.24
8.2.100.0110.00017.63
8.2.90.0050.00219.23
8.2.80.0080.00017.97
8.2.70.0000.00917.63
8.2.60.0050.00218.04
8.2.50.0090.00018.07
8.2.40.0040.00419.86
8.2.30.0040.00418.11
8.2.20.0040.00417.65
8.2.10.0050.00218.09
8.2.00.0000.00717.60
8.1.280.0100.01025.92
8.1.270.0000.00820.36
8.1.260.0060.00326.35
8.1.250.0080.00028.09
8.1.240.0000.00922.04
8.1.230.0090.00317.66
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0000.00917.23
8.1.190.0080.00017.23
8.1.180.0000.00818.10
8.1.170.0090.00018.42
8.1.160.0000.00721.90
8.1.150.0080.00018.88
8.1.140.0040.00417.30
8.1.130.0000.00717.85
8.1.120.0040.00417.46
8.1.110.0000.00917.29
8.1.100.0030.00317.25
8.1.90.0070.00017.43
8.1.80.0000.00717.28
8.1.70.0000.00717.39
8.1.60.0030.00617.48
8.1.50.0030.00517.41
8.1.40.0040.00417.42
8.1.30.0050.00317.65
8.1.20.0040.00417.60
8.1.10.0040.00417.41
8.1.00.0000.00817.46
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0000.00718.31
8.0.270.0000.00717.16
8.0.260.0000.00718.46
8.0.250.0000.00717.04
8.0.240.0000.01017.02
8.0.230.0000.00716.96
8.0.220.0030.00316.79
8.0.210.0000.00716.94
8.0.200.0030.00316.92
8.0.190.0040.00416.86
8.0.180.0000.00716.89
8.0.170.0000.00816.88
8.0.160.0000.00716.91
8.0.150.0000.00816.87
8.0.140.0030.00316.80
8.0.130.0030.00313.35
8.0.120.0000.00816.87
8.0.110.0040.00416.87
8.0.100.0000.00816.75
8.0.90.0040.00416.71
8.0.80.0120.00316.89
8.0.70.0060.00316.89
8.0.60.0040.00416.95
8.0.50.0000.00716.71
8.0.30.0140.00917.17
8.0.20.0110.00817.40
8.0.10.0000.00816.87
8.0.00.0030.01516.55
7.4.330.0060.00015.06
7.4.320.0060.00016.45
7.4.300.0060.00016.41
7.4.290.0110.00016.52
7.4.280.0030.00616.55
7.4.270.0070.00016.36
7.4.260.0050.00316.37
7.4.250.0000.00816.29
7.4.240.0050.00216.40
7.4.230.0070.00016.34
7.4.220.0140.00416.46
7.4.210.0060.00816.51
7.4.200.0000.00716.63
7.4.160.0080.00816.47
7.4.150.0040.01317.40
7.4.140.0070.01417.86
7.4.130.0110.00716.43
7.4.120.0090.00916.41
7.4.110.0030.01516.44
7.4.100.0100.01316.36
7.4.90.0070.01016.46
7.4.80.0070.01019.39
7.4.70.0090.00916.31
7.4.60.0080.00816.59
7.4.50.0040.00416.56
7.4.40.0120.00316.40
7.4.30.0100.00716.45
7.4.00.0040.01114.85
7.3.330.0060.00013.09
7.3.320.0130.00013.14
7.3.310.0000.00616.22
7.3.300.0030.00316.24
7.3.290.0030.00316.28
7.3.280.0080.01116.25
7.3.270.0180.00317.40
7.3.260.0130.00316.42
7.3.250.0090.01016.36
7.3.240.0090.00616.25
7.3.230.0060.01016.47
7.3.210.0100.00716.43
7.3.200.0110.00719.39
7.3.190.0090.00616.55
7.3.180.0120.00316.38
7.3.170.0100.00716.34
7.3.160.0100.00616.28
7.2.330.0160.00816.53
7.2.320.0000.01516.56
7.2.310.0040.01416.57
7.2.300.0140.00916.60
7.2.290.0090.00916.36
7.2.00.0190.00618.92
7.1.200.0020.00515.56
7.1.100.0070.00318.20
7.1.70.0100.00616.87
7.1.60.0190.00319.50
7.1.50.0190.01534.76
7.1.00.0030.07722.33
7.0.200.0170.00716.32
7.0.140.0000.07321.92
7.0.60.0130.03319.88
7.0.50.0070.04317.79
7.0.40.0100.07720.28
7.0.30.0300.07720.09
7.0.20.0230.08020.04
7.0.10.0170.10020.16
7.0.00.0170.05020.13
5.6.280.0000.07720.85
5.6.210.0100.07720.44
5.6.200.0170.07318.13
5.6.190.0100.08020.58
5.6.180.0300.07020.65
5.6.170.0330.07020.45
5.6.160.0000.05020.33
5.6.150.0030.04318.13
5.6.140.0070.04318.21
5.6.130.0100.06718.21
5.6.120.0030.09321.05
5.6.110.0130.07021.11
5.6.100.0100.07721.00
5.6.90.0100.08321.02
5.6.80.0070.07320.35
5.6.70.0330.06720.39
5.5.350.0170.06720.42
5.5.340.0000.05318.02
5.5.330.0030.04720.36
5.5.320.0100.07720.20
5.5.310.0170.04320.32
5.5.300.0070.07017.98
5.5.290.0070.08017.94
5.5.280.0030.04720.73
5.5.270.0170.06320.73
5.5.260.0030.06020.86
5.5.250.0070.06720.57
5.5.240.0000.05320.18
5.4.450.0830.07319.44
5.4.440.0030.07019.53
5.4.430.0730.05319.46
5.4.420.0800.06019.46
5.4.410.0470.04719.37
5.4.400.0430.05318.68
5.4.390.0300.06018.62
5.4.380.0400.06018.46
5.4.370.0500.04718.77
5.4.360.0300.05018.75
5.4.350.0330.06018.61
5.4.340.0300.05318.68
5.4.320.0500.05718.71
5.4.310.0300.06318.46
5.4.300.0430.06018.71
5.4.290.0400.05318.62
5.4.280.0530.05718.58
5.4.270.0500.03718.71
5.4.260.0400.05318.45
5.4.250.0300.06018.79
5.4.240.0370.05718.61
5.4.230.0370.07018.64
5.4.220.0530.05018.55
5.4.210.0470.05018.61
5.4.200.0300.05716.48
5.4.190.0300.05718.65
5.4.180.0370.04718.59
5.4.170.0400.06018.64
5.4.160.0430.05318.59
5.4.150.0370.05718.44
5.4.140.0230.06716.27
5.4.130.0400.05016.26
5.4.120.0330.06016.11
5.4.110.0330.07316.16
5.4.100.0470.07016.02
5.4.90.0230.07016.16
5.4.80.0470.05716.13
5.4.70.0470.07016.28
5.4.60.0570.05316.29
5.4.50.0530.05016.09
5.4.40.0470.06316.29
5.4.30.0600.05316.31
5.4.20.0670.06016.22
5.4.10.0530.06316.19
5.4.00.0470.06315.52
5.3.290.0630.06714.57
5.3.280.0530.06014.68
5.3.270.0430.07014.70
5.3.260.0470.06714.58
5.3.250.0670.04714.53
5.3.240.0700.06314.59
5.3.230.0500.06314.56
5.3.220.0630.06314.64
5.3.210.0530.06014.47
5.3.200.0470.05314.51
5.3.190.0470.07014.56
5.3.180.0370.06314.55
5.3.170.0430.05314.52
5.3.160.0530.04714.59
5.3.150.0500.06014.65
5.3.140.0530.07314.53
5.3.130.0600.06314.46
5.3.120.0300.06314.54
5.3.110.0570.07014.62
5.3.100.0500.07014.13
5.3.90.0470.07713.93
5.3.80.0700.06714.00
5.3.70.0370.06714.11
5.3.60.0630.06313.93
5.3.50.0470.06013.84
5.3.40.0430.06313.85
5.3.30.0330.05313.90
5.3.20.0370.06713.68
5.3.10.0370.06013.57
5.3.00.0500.06713.65
5.2.170.0270.04311.10
5.2.160.0470.04011.12
5.2.150.0300.06711.05
5.2.140.0370.04311.10
5.2.130.0430.04011.13
5.2.120.0470.04311.08
5.2.110.0300.04311.16
5.2.100.0430.04711.24
5.2.90.0470.04311.23
5.2.80.0400.04011.07
5.2.70.0300.04711.14
5.2.60.0230.05011.08
5.2.50.0400.04711.07
5.2.40.0270.04711.03
5.2.30.0170.05011.12
5.2.20.0330.04010.99
5.2.10.0300.04310.83
5.2.00.0230.04310.78
5.1.60.0200.03310.09
5.1.50.0370.0409.98
5.1.40.0370.04310.02
5.1.30.0370.04310.30
5.1.20.0300.05310.44
5.1.10.0300.04710.13
5.1.00.0130.06010.06
5.0.50.0230.0308.65
5.0.40.0130.0408.38
5.0.30.0130.0608.27
5.0.20.0230.0308.30
5.0.10.0230.0308.23
5.0.00.0100.0608.33
4.4.90.0200.0337.32
4.4.80.0200.0177.32
4.4.70.0230.0237.32
4.4.60.0200.0237.32
4.4.50.0270.0277.32
4.4.40.0230.0407.32
4.4.30.0130.0307.32
4.4.20.0200.0207.32
4.4.10.0230.0237.32
4.4.00.0070.0437.32
4.3.110.0100.0237.32
4.3.100.0170.0207.32
4.3.90.0130.0237.32
4.3.80.0130.0407.32
4.3.70.0070.0237.32
4.3.60.0100.0237.32
4.3.50.0130.0337.32
4.3.40.0130.0337.32
4.3.30.0070.0237.32
4.3.20.0030.0307.32
4.3.10.0100.0277.32
4.3.00.0270.0206.86

preferences:
50.17 ms | 401 KiB | 5 Q