3v4l.org

run code in 500+ PHP versions simultaneously
<?php /** * @link https://stackoverflow.com/a/8314506/367456 */ $content = '\tThis variable is not set by me.\nCannot do anything about it.\n'; echo "input:\n======\n", $content, "\n\n", "output:\n=======\n", preg_replace_callback( '/\\\\([nrtvf\\\\$"]|[0-7]{1,3}|\x[0-9A-Fa-f]{1,2})/', fn($matches) => stripcslashes($matches[0]), $content ) ;

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)
8.5.90.0060.00417.76
8.5.80.0110.00417.04
8.5.70.0090.00517.90
8.5.60.0050.00417.02
8.5.50.0090.00516.89
8.5.40.0080.00216.61
8.5.30.0110.00317.71
8.5.20.0090.00517.76
8.5.10.0100.00616.62
8.5.00.0100.00718.56
8.4.240.0130.00720.51
8.4.230.0090.01119.74
8.4.220.0120.00819.82
8.4.210.0130.00819.80
8.4.200.0070.00619.75
8.4.190.0110.00319.63
8.4.180.0110.00923.59
8.4.170.0160.00721.86
8.4.160.0130.00921.90
8.4.150.0110.00617.82
8.4.140.0130.00717.97
8.4.130.0110.00620.05
8.4.120.0110.00919.28
8.4.110.0070.00720.18
8.4.100.0110.00817.91
8.4.90.0120.00819.39
8.4.80.0110.00518.87
8.4.70.0140.00617.96
8.4.60.0140.00718.45
8.4.50.0130.00919.98
8.4.40.0140.00817.94
8.4.30.0150.00819.33
8.4.20.0170.00817.82
8.4.10.0060.00618.71
8.3.330.0130.00519.49
8.3.320.0090.00518.35
8.3.310.0090.00819.67
8.3.300.0070.01019.58
8.3.290.0150.00718.55
8.3.280.0140.00918.50
8.3.270.0100.00916.67
8.3.260.0090.00516.70
8.3.250.0110.00917.93
8.3.240.0120.00616.76
8.3.230.0080.00516.69
8.3.220.0080.00717.88
8.3.210.0090.01017.52
8.3.200.0100.00516.77
8.3.190.0080.00616.96
8.3.180.0070.00917.62
8.3.170.0060.00516.78
8.3.160.0110.00416.81
8.3.150.0100.00616.93
8.3.140.0070.00816.73
8.3.130.0070.00316.93
8.3.120.0090.00118.74
8.3.110.0050.00617.66
8.3.100.0050.00518.52
8.3.90.0090.00321.64
8.3.80.0060.00618.09
8.3.70.0110.00717.48
8.3.60.0130.00116.78
8.3.50.0130.00416.65
8.3.40.0080.00918.49
8.3.30.0050.00918.46
8.3.20.0040.00621.12
8.3.10.0060.00421.42
8.3.00.0050.00522.15
8.2.330.0100.00618.33
8.2.320.0130.00819.18
8.2.310.0050.00518.36
8.2.300.0150.00818.20
8.2.290.0150.00416.84
8.2.280.0140.00717.59
8.2.270.0130.00616.98
8.2.260.0130.00416.98
8.2.250.0140.00516.80
8.2.240.0130.00817.79
8.2.230.0170.00718.77
8.2.220.0110.00620.23
8.2.210.0120.00222.55
8.2.200.0150.00817.73
8.2.190.0140.00717.71
8.2.180.0140.01121.32
8.2.170.0170.00918.62
8.2.160.0160.00420.54
8.2.150.0130.00421.71
8.2.140.0180.00521.27
8.2.130.0140.00722.05
8.2.120.0150.00519.56
8.2.110.0110.00518.69
8.2.100.0120.00518.04
8.2.90.0170.00317.92
8.2.80.0110.00718.44
8.2.70.0130.00717.85
8.2.60.0120.00317.96
8.2.50.0120.01018.04
8.2.40.0110.00617.96
8.2.30.0130.00717.96
8.2.20.0100.00117.90
8.2.10.0100.00318.54
8.2.00.0100.00318.55
8.1.340.0170.00418.63
8.1.330.0130.00619.17
8.1.320.0120.00616.29
8.1.310.0150.00416.38
8.1.300.0060.00716.24
8.1.290.0100.00423.55
8.1.280.0090.00722.03
8.1.270.0070.00620.84
8.1.260.0090.00321.96
8.1.250.0090.00222.89
8.1.240.0080.00318.62
8.1.230.0100.00217.85
8.1.220.0060.00317.81
8.1.210.0040.00818.25
8.1.200.0070.00317.73
8.1.190.0080.00517.65
8.1.180.0060.00517.89
8.1.170.0070.00318.21
8.1.160.0060.00418.50
8.1.150.0060.00418.25
8.1.140.0050.00518.36
8.1.130.0050.00518.95
8.1.120.0080.00317.73
8.1.110.0050.00517.65
8.1.100.0040.00617.63
8.1.90.0090.00118.51
8.1.80.0060.00518.63
8.1.70.0040.00617.73
8.1.60.0060.00517.67
8.1.50.0100.00217.63
8.1.40.0070.00417.65
8.1.30.0040.00718.66
8.1.20.0040.00718.76
8.1.10.0040.00618.69
8.1.00.0080.00317.78
8.0.300.0070.00417.81
8.0.290.0050.00617.02
8.0.280.0040.00517.76
8.0.270.0050.00417.62
8.0.260.0060.00317.63
8.0.250.0050.00517.21
8.0.240.0070.00317.04
8.0.230.0050.00317.93
8.0.220.0060.00217.89
8.0.210.0100.00117.06
8.0.200.0090.00417.96
8.0.190.0080.00617.05
8.0.180.0110.00417.07
8.0.170.0080.00517.01
8.0.160.0090.00317.02
8.0.150.0120.00517.86
8.0.140.0050.00617.82
8.0.130.0050.00415.29
8.0.120.0040.00517.05
8.0.110.0060.00316.93
8.0.100.0050.00317.82
8.0.90.0050.00417.88
8.0.80.0080.00617.52
8.0.70.0050.00417.89
8.0.60.0030.00516.93
8.0.50.0050.00416.96
8.0.30.0110.00717.94
8.0.20.0090.00617.79
8.0.10.0110.00318.25
8.0.00.0050.01018.13
7.4.330.0040.00317.16
7.4.320.0050.00317.65
7.4.300.0040.00417.76
7.4.290.0030.00517.72
7.4.280.0040.00417.71
7.4.270.0050.00316.86
7.4.260.0060.00115.28
7.4.250.0050.00317.66
7.4.240.0040.00417.38
7.4.230.0030.00517.63
7.4.220.0040.00516.90
7.4.210.0090.00616.71
7.4.200.0050.00317.69
7.4.190.0080.00618.61
7.4.180.0100.00617.05
7.4.160.0110.00416.78
7.4.150.0080.01016.55
7.4.140.0110.00816.65
7.4.130.0130.00517.55
7.4.120.0120.00616.65
7.4.110.0190.00616.74
7.4.100.0120.00517.55
7.4.90.0080.00717.58
7.4.80.0120.00316.70
7.4.70.0090.00617.43
7.4.60.0120.00316.77
7.4.50.0060.00916.78
7.4.40.0070.00716.69
7.4.30.0060.00816.70
7.4.20.0100.00416.68
7.4.10.0110.00516.88
7.4.00.0090.00516.74
7.3.330.0060.00316.24
7.3.320.0020.00515.69
7.3.310.0060.00316.20
7.3.300.0030.00517.19
7.3.290.0100.00616.22
7.3.280.0050.00418.23
7.3.270.0090.00616.28
7.3.260.0130.00216.22
7.3.250.0100.00716.24
7.3.240.0080.00716.33
7.3.230.0100.00416.23
7.3.220.0080.00516.33
7.3.210.0080.00417.24
7.3.200.0120.00116.28
7.3.190.0060.00816.21
7.3.180.0050.00817.21
7.3.170.0110.00416.18
7.3.160.0090.00416.20
7.3.150.0120.00716.23
7.3.140.0080.00617.23
7.3.130.0100.00416.18
7.3.120.0130.00416.26
7.3.110.0070.00616.23
7.3.100.0090.00516.21
7.3.90.0060.00617.28
7.3.80.0090.00416.15
7.3.70.0080.00517.16
7.3.60.0060.00716.17
7.3.50.0080.00516.70
7.3.40.0070.00816.21
7.3.30.0080.00617.28
7.3.20.0060.00817.18
7.3.10.0070.00717.18
7.3.00.0100.00517.10

preferences:
142.35 ms | 1473 KiB | 5 Q