3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = '\xE2\x80\x99'; var_dump(\preg_replace_callback('#\\\\(?:\\\\|x([0-9a-f]{2}))#i', function($m) { return isset($m[1]) ? \chr(\hexdec($m[1])) : '\\'; }, $str));

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)
8.5.30.0080.01019.26
8.5.20.0100.00919.62
8.5.10.0140.00617.07
8.5.00.0150.01020.39
8.4.180.0150.00525.52
8.4.170.0110.00923.82
8.4.160.0140.01323.82
8.4.150.0090.00416.98
8.4.140.0140.00817.90
8.4.130.0120.00818.01
8.4.120.0080.01122.50
8.4.110.0100.00819.06
8.4.100.0070.00418.18
8.4.90.0120.00817.90
8.4.80.0050.00319.88
8.4.70.0110.00917.96
8.4.60.0150.00720.43
8.4.50.0150.00717.89
8.4.40.0040.00417.81
8.4.30.0120.00919.95
8.4.20.0040.00717.74
8.4.10.0040.00420.69
8.3.300.0110.00920.78
8.3.290.0150.00820.77
8.3.280.0150.00418.54
8.3.270.0150.00616.91
8.3.260.0050.00516.54
8.3.250.0030.00618.95
8.3.240.0050.00416.73
8.3.230.0090.01116.88
8.3.220.0090.01018.49
8.3.210.0140.00616.95
8.3.200.0050.00416.62
8.3.190.0100.00719.28
8.3.180.0120.00816.48
8.3.170.0130.00616.52
8.3.160.0050.00216.76
8.3.150.0090.00917.30
8.3.140.0050.00316.66
8.3.130.0090.00018.52
8.3.120.0150.00418.85
8.3.110.0050.00516.63
8.3.100.0040.00424.06
8.3.90.0000.00826.77
8.3.80.0090.00019.36
8.3.70.0100.00618.39
8.3.60.0120.00618.43
8.3.50.0080.00717.64
8.3.40.0130.00618.84
8.3.30.0080.00818.79
8.3.20.0080.00019.02
8.3.10.0040.00420.78
8.3.00.0000.00917.91
8.2.300.0130.00718.87
8.2.290.0120.00718.92
8.2.280.0110.00820.20
8.2.270.0040.01518.98
8.2.260.0000.00718.71
8.2.250.0060.00316.76
8.2.240.0050.00517.49
8.2.230.0130.00720.94
8.2.220.0070.00337.54
8.2.210.0070.00026.77
8.2.200.0050.00518.88
8.2.190.0070.00716.59
8.2.180.0140.00716.75
8.2.170.0140.00022.96
8.2.160.0090.00619.34
8.2.150.0030.00524.18
8.2.140.0080.00324.66
8.2.130.0040.00420.07
8.2.120.0040.00426.35
8.2.110.0060.00320.42
8.2.100.0110.00018.03
8.2.90.0080.00018.00
8.2.80.0050.00320.93
8.2.70.0050.00318.03
8.2.60.0040.00417.93
8.2.50.0050.00318.10
8.2.40.0050.00319.11
8.2.30.0040.00419.59
8.2.20.0000.00718.06
8.2.10.0000.00718.13
8.2.00.0000.00719.52
8.1.340.0140.00819.64
8.1.330.0120.00616.40
8.1.320.0120.00916.36
8.1.310.0040.00416.84
8.1.300.0060.00316.41
8.1.290.0000.00930.84
8.1.280.0070.01125.92
8.1.270.0040.00423.99
8.1.260.0030.00626.35
8.1.250.0040.00428.09
8.1.240.0040.00422.60
8.1.230.0070.00421.03
8.1.220.0060.00318.77
8.1.210.0030.00618.77
8.1.200.0050.00317.23
8.1.190.0040.00417.38
8.1.180.0050.00318.10
8.1.170.0050.00518.79
8.1.160.0000.00718.86
8.1.150.0040.00418.93
8.1.140.0000.00717.57
8.1.130.0000.00718.96
8.1.120.0040.00417.61
8.1.110.0000.01017.60
8.1.100.0090.00017.49
8.1.90.0000.00717.68
8.1.80.0080.00317.63
8.1.70.0040.00417.48
8.1.60.0080.00417.64
8.1.50.0000.00817.72
8.1.40.0000.00717.66
8.1.30.0000.00917.86
8.1.20.0080.00017.82
8.1.10.0030.00617.69
8.1.00.0040.00417.60
8.0.300.0100.00019.85
8.0.290.0000.00816.74
8.0.280.0030.00318.45
8.0.270.0030.00317.24
8.0.260.0040.00417.21
8.0.250.0070.00016.91
8.0.240.0000.00716.93
8.0.230.0000.00717.07
8.0.220.0000.00717.03
8.0.210.0000.00716.88
8.0.200.0070.00017.09
8.0.190.0040.00417.07
8.0.180.0000.00816.95
8.0.170.0060.00317.00
8.0.160.0030.00617.07
8.0.150.0050.00317.01
8.0.140.0040.00416.95
8.0.130.0030.00313.39
8.0.120.0040.00417.02
8.0.110.0070.00016.91
8.0.100.0040.00416.86
8.0.90.0040.00416.99
8.0.80.0090.01117.02
8.0.70.0000.00717.06
8.0.60.0000.00817.07
8.0.50.0000.00716.89
8.0.30.0100.01017.21
8.0.20.0090.01017.40
8.0.10.0090.00017.10
8.0.00.0060.01316.82
7.4.330.0000.00515.55
7.4.320.0060.00016.79
7.4.300.0060.00016.63
7.4.290.0000.00816.63
7.4.280.0050.00516.80
7.4.270.0070.00016.63
7.4.260.0090.00016.73
7.4.250.0040.00416.81
7.4.240.0070.00016.79
7.4.230.0030.00316.77
7.4.220.0000.00816.46
7.4.210.0120.00516.79
7.4.200.0040.00416.46
7.4.160.0100.00716.65
7.4.140.0120.00817.86
7.4.130.0100.01316.75
7.4.120.0070.01016.63
7.4.110.0180.00316.52
7.4.100.0030.01416.53
7.4.90.0090.00916.71
7.4.80.0150.00319.39
7.4.70.0000.01916.75
7.4.60.0060.01016.85
7.4.50.0110.00416.50
7.4.40.0100.01016.56
7.4.00.0080.00815.25
7.3.330.0080.00013.47
7.3.320.0060.00013.58
7.3.310.0000.00716.36
7.3.300.0000.00716.53
7.3.290.0000.00716.32
7.3.280.0070.01016.45
7.3.260.0100.00816.63
7.3.240.0110.00616.56
7.3.230.0080.00816.82
7.3.210.0120.00416.62
7.3.200.0130.00316.50
7.3.190.0070.01116.66
7.3.180.0060.00916.71
7.3.170.0030.01516.46
7.3.160.0030.01316.41
7.3.10.0000.01516.95
7.3.00.0000.01416.80
7.2.330.0130.00616.69
7.2.320.0140.00316.93
7.2.310.0090.00916.75
7.2.300.0080.01616.91
7.2.290.0090.00916.79
7.2.130.0040.01116.89
7.2.120.0040.00417.12
7.2.110.0130.00316.94
7.2.100.0040.00816.98
7.2.90.0070.00716.70
7.2.80.0070.01116.77
7.2.70.0120.00317.02
7.2.60.0900.00715.77
7.2.50.1160.00916.10
7.2.40.1320.00716.37
7.2.30.1260.00916.29
7.2.20.1740.00916.24
7.2.10.1450.01316.47
7.2.00.1580.01016.26
7.1.250.0030.01015.94
7.1.240.0110.00316.09
7.1.230.0000.01315.83
7.1.220.0030.01015.98
7.1.210.0040.01115.93
7.1.200.0060.00516.01
7.1.190.0030.00515.81
7.1.180.0000.00915.85
7.1.170.1020.00814.82
7.1.160.1200.01016.61
7.1.150.1190.01016.47
7.1.140.1470.00816.51
7.1.130.1370.00816.44
7.1.120.1080.01116.61
7.1.110.1360.00816.08
7.1.100.1440.00416.12
7.1.90.1200.00615.99
7.1.80.1410.00716.05
7.1.70.1240.00615.72
7.1.60.1740.01124.75
7.1.50.1720.00824.53
7.1.40.2550.01324.46
7.1.30.2360.01124.18
7.1.20.2310.01224.63
7.1.10.2000.01015.34
7.1.00.2040.01015.49
7.0.330.0040.00715.46
5.6.380.0070.00714.44

preferences:
105.69 ms | 1473 KiB | 5 Q