3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "oAA34Ao#\\\\oo+--)o/"; preg_replace_callback( '/([\x00-\x1F\*\(\)\\\\])/', function ($matches) { print_r($matches); $x = "\\".join("", unpack("H2", $matches[1])); echo $x; return $x; }, $str ); $str = " oAA34Ao#\\\\oo+--)o/"; function matches($matches) { print_r($matches); $x = "\\".join("", unpack("H2", $matches[1])); echo $x; return $x; } mb_ereg_replace_callback( '([\x00-\x1F\*\(\)\\\\])', "matches", $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)
8.3.60.0100.01018.81
8.3.50.0100.00821.33
8.3.40.0110.01118.77
8.3.30.0070.01020.34
8.3.20.0040.01120.22
8.3.10.0050.00322.22
8.3.00.0050.00322.50
8.2.180.0040.01817.00
8.2.170.0060.01622.96
8.2.160.0090.00618.77
8.2.150.0040.00824.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00520.01
8.2.110.0060.00322.45
8.2.100.0070.00419.34
8.2.90.0040.00419.12
8.2.80.0080.00019.34
8.2.70.0000.00917.88
8.2.60.0060.00317.93
8.2.50.0030.00518.07
8.2.40.0080.00018.22
8.2.30.0000.00818.22
8.2.20.0080.00017.91
8.2.10.0040.00418.04
8.2.00.0030.00717.88
8.1.280.0140.00025.92
8.1.270.0060.01224.66
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0030.00624.00
8.1.230.0040.00819.10
8.1.220.0080.00017.77
8.1.210.0030.00618.77
8.1.200.0000.01017.48
8.1.190.0000.00817.64
8.1.180.0040.00418.10
8.1.170.0080.00018.91
8.1.160.0000.00722.16
8.1.150.0040.00418.93
8.1.140.0000.00817.65
8.1.130.0050.00317.89
8.1.120.0060.00317.78
8.1.110.0000.00717.73
8.1.100.0040.00417.64
8.1.90.0020.00517.75
8.1.80.0020.00517.66
8.1.70.0000.00717.74
8.1.60.0060.00317.85
8.1.50.0040.00417.83
8.1.40.0050.00317.77
8.1.30.0030.00518.00
8.1.20.0000.00817.79
8.1.10.0040.00417.90
8.1.00.0030.00617.79
8.0.300.0000.00818.77
8.0.290.0000.00717.29
8.0.280.0040.00418.59
8.0.270.0000.00717.32
8.0.260.0030.00318.54
8.0.250.0000.00817.29
8.0.240.0000.00717.13
8.0.230.0040.00417.25
8.0.220.0040.00417.09
8.0.210.0030.00517.20
8.0.200.0040.00417.21
8.0.190.0000.00817.26
8.0.180.0050.00317.20
8.0.170.0040.00417.17
8.0.160.0000.00717.28
8.0.150.0040.00417.21
8.0.140.0060.00317.18
8.0.130.0030.00313.66
8.0.120.0090.00017.18
8.0.110.0080.00017.20
8.0.100.0000.00717.12
8.0.90.0000.00817.00
8.0.80.0060.00917.15
8.0.70.0030.00516.95
8.0.60.0020.00516.97
8.0.50.0080.00017.03
8.0.30.0100.01017.44
8.0.20.0120.01217.40
8.0.10.0050.00317.22
8.0.00.0110.00717.12
7.4.330.0000.00515.00
7.4.320.0030.00316.93
7.4.300.0040.00416.84
7.4.290.0000.00716.75
7.4.280.0040.00416.84
7.4.270.0030.00317.00
7.4.260.0030.00316.92
7.4.250.0070.00016.96
7.4.240.0020.00617.01
7.4.230.0030.00317.07
7.4.220.0070.01016.96
7.4.210.0100.00716.92
7.4.200.0000.00716.99
7.4.190.0040.00416.80
7.4.160.0130.00316.81
7.4.150.0090.01417.40
7.4.140.0100.00917.86
7.4.130.0030.01516.83
7.4.120.0140.00316.88
7.4.110.0070.01016.76
7.4.100.0150.01116.73
7.4.90.0110.00616.88
7.4.80.0140.00819.39
7.4.70.0030.01316.90
7.4.60.0100.00716.82
7.4.50.0000.00416.89
7.4.40.0030.01322.77
7.4.30.0070.01016.90
7.4.00.0130.00315.25
7.3.330.0030.00313.67
7.3.320.0050.00013.67
7.3.310.0000.00816.75
7.3.300.0050.00216.51
7.3.290.0030.01016.56
7.3.280.0080.00916.58
7.3.270.0110.00817.40
7.3.260.0100.00716.67
7.3.250.0120.01016.74
7.3.240.0030.01716.71
7.3.230.0080.00816.69
7.3.210.0150.00916.75
7.3.200.0140.00319.39
7.3.190.0090.00916.68
7.3.180.0100.00716.76
7.3.170.0090.00616.80
7.3.160.0060.00916.85
7.3.120.0030.01215.16
7.3.10.0080.00816.49
7.3.00.0200.00716.70
7.2.330.0080.01216.97
7.2.320.0150.00716.89
7.2.310.0070.01316.83
7.2.300.0030.01316.95
7.2.290.0090.00916.80
7.2.130.0110.00816.64
7.2.120.0000.01816.99
7.2.110.0020.01316.74
7.2.100.0100.00217.03
7.2.90.0050.01117.08
7.2.80.0210.01216.77
7.2.70.0100.00817.09
7.2.60.0070.00416.98
7.2.50.0090.00616.95
7.2.40.0060.00916.90
7.2.30.0100.00516.87
7.2.20.0100.00716.86
7.2.10.0060.01117.23
7.2.00.0080.00618.01
7.1.250.0140.00315.78
7.1.230.0030.00516.08
7.1.220.0040.00716.17
7.1.210.0030.00615.73
7.1.200.0050.00816.05
7.1.190.0060.00915.81
7.1.180.0060.00616.06
7.1.170.0070.00715.95
7.1.160.0090.00615.82
7.1.150.0060.00915.89
7.1.140.0030.00616.08
7.1.130.0060.00615.98
7.1.120.0060.00315.90
7.1.110.0030.01316.11
7.1.100.0080.00517.22
7.1.90.0090.00316.08
7.1.80.0040.00716.03
7.1.70.0040.00616.63
7.1.60.0080.00616.79
7.1.50.0070.00916.61
7.1.40.0040.01116.12
7.1.30.0070.01016.09
7.1.20.0030.01316.11
7.1.10.0030.00716.05
7.1.00.0070.01819.06
7.0.310.0040.00715.31
7.0.300.0040.01115.34
7.0.290.0070.00715.66
7.0.280.0090.00615.62
7.0.270.0030.00615.41
7.0.260.0100.00315.59
7.0.250.0030.01015.43
7.0.240.0050.00315.49
7.0.230.0060.00715.68
7.0.220.0100.00315.57
7.0.210.0090.00615.55
7.0.200.0100.00716.26
7.0.190.0090.00315.65
7.0.180.0120.00315.68
7.0.170.0090.00315.59
7.0.160.0040.00715.59
7.0.150.0030.00615.59
7.0.140.0070.03418.89
7.0.130.0000.00715.66
7.0.120.0110.00015.59
7.0.110.0070.00315.61
7.0.100.0040.00715.67
7.0.90.0060.00315.75
7.0.80.0080.00415.61
7.0.70.0000.01015.52
7.0.60.0060.04117.83
7.0.50.0020.03316.71
7.0.40.0060.02217.06
7.0.30.0160.03816.94
7.0.20.0150.04116.83
7.0.10.0010.04616.85
7.0.00.0050.02516.92
5.6.380.0100.00314.54
5.6.370.0000.01514.86
5.6.360.0030.01014.22
5.6.350.0040.01114.30
5.6.340.0080.00514.63
5.6.330.0040.01114.41
5.6.320.0060.00614.49
5.6.310.0100.00314.23
5.6.300.0030.00914.77
5.6.290.0060.00614.42
5.6.280.0050.04017.93
5.6.270.0030.00614.83
5.6.260.0040.00414.43
5.6.250.0060.00314.37
5.6.240.0060.00614.42
5.6.230.0060.00614.67
5.6.220.0030.00714.29
5.6.210.0030.02217.51
5.6.200.0080.04516.33
5.6.190.0070.03517.49
5.6.180.0180.04517.63
5.6.170.0110.02817.65
5.6.160.0060.02917.52
5.6.150.0060.04416.33
5.6.140.0060.02116.30
5.6.130.0070.04516.28
5.6.120.0050.02817.82
5.6.110.0140.03017.75
5.6.100.0050.02717.81
5.6.90.0090.03217.78
5.6.80.0080.03717.48
5.6.70.2290.02417.39
5.6.60.0000.01014.46
5.6.50.0000.00814.55
5.6.40.0080.00514.23
5.6.30.0140.00414.49
5.6.20.0120.00914.27
5.6.10.0140.00414.44
5.6.00.0050.00914.08
5.5.380.0000.00611.46
5.5.370.0000.01111.06
5.5.360.0060.00311.32
5.5.350.0060.04115.91
5.5.340.0080.03014.62
5.5.330.0080.04015.93
5.5.320.0110.03615.91
5.5.310.0140.03315.86
5.5.300.0050.04014.78
5.5.290.0030.04814.79
5.5.280.0020.04915.79
5.5.270.0050.04515.98
5.5.260.0080.04515.95
5.5.250.0090.02516.05
5.5.240.0030.02115.70
5.5.230.0030.00711.32
5.5.220.0080.00010.86
5.5.210.0030.00311.03
5.5.200.0110.00311.25
5.5.190.0120.00011.14
5.5.180.0150.00011.39
5.5.170.0150.00014.40
5.5.160.0100.00311.25
5.5.150.0120.00011.26
5.5.140.0000.01011.36
5.5.130.0060.00611.41
5.5.120.0090.00411.22
5.5.110.0060.00311.11
5.5.100.0090.00011.41
5.5.90.0000.00911.41
5.5.80.0040.00411.15
5.5.70.0040.00711.16
5.5.60.0080.00611.27
5.5.50.0070.00511.14
5.5.40.0070.00711.41
5.5.30.0030.00711.35
5.5.20.0090.00311.24
5.5.10.0080.00011.12
5.5.00.0030.00611.27
5.4.450.0150.03915.42
5.4.440.0460.02715.59
5.4.430.0280.02815.18
5.4.420.0460.02815.46
5.4.410.0470.03315.32
5.4.400.0280.03114.97
5.4.390.0150.03314.71
5.4.380.0130.03214.76
5.4.370.0100.02714.96
5.4.360.0100.03015.08
5.4.350.0040.02111.56
5.4.340.0070.02111.55
5.4.330.0110.00311.19
5.4.320.0060.02112.00
5.4.310.0060.02211.76
5.4.300.0060.02011.80
5.4.290.0040.02411.96
5.4.280.0060.02411.88
5.4.270.0090.01611.62
5.4.260.0040.02611.77
5.4.250.0130.02514.92
5.4.240.0110.03815.07
5.4.230.0130.03015.04
5.4.220.0100.03015.16
5.4.210.0050.03414.81
5.4.200.0080.02815.07
5.4.190.0140.02814.91
5.4.180.0150.02615.08
5.4.170.0110.03515.08
5.4.160.0100.03014.94
5.4.150.0100.03014.84
5.4.140.0050.04313.73
5.4.130.0100.02713.96
5.4.120.0100.03213.66
5.4.110.0100.03713.90
5.4.100.0110.02513.82
5.4.90.0070.02713.96
5.4.80.0090.02913.80
5.4.70.0150.02613.83
5.4.60.0040.03813.79
5.4.50.0120.03313.77
5.4.40.0080.02913.85
5.4.30.0070.02913.72
5.4.20.0080.02513.86
5.4.10.0080.03013.76
5.4.00.0140.02513.54
5.3.290.0080.02011.80
5.3.280.0060.03012.67
5.3.270.0160.02812.70
5.3.260.0080.02912.66
5.3.250.0080.03512.73
5.3.240.0010.03112.65
5.3.230.0100.02312.65
5.3.220.0130.02612.64
5.3.210.0100.03312.64
5.3.200.0120.03312.67
5.3.190.0140.03312.67
5.3.180.0090.02612.68
5.3.170.0100.02712.67
5.3.160.0100.03812.62
5.3.150.0150.03212.60
5.3.140.0090.02512.70
5.3.130.0120.03512.59
5.3.120.0080.02812.75
5.3.110.0150.02812.66
5.3.100.0140.03012.46
5.3.90.0060.02812.43
5.3.80.0080.02812.36
5.3.70.0120.03012.38
5.3.60.0110.02312.32
5.3.50.0140.03012.21
5.3.40.0030.04112.32
5.3.30.0110.03712.28
5.3.20.0110.02412.19
5.3.10.0070.03812.18
5.3.00.0130.02312.17
5.2.170.0120.02010.88
5.2.160.0040.03010.88
5.2.150.0110.02710.95
5.2.140.0060.02510.88
5.2.130.0040.02310.90
5.2.120.0080.02010.86
5.2.110.0110.01910.77
5.2.100.0110.02110.81
5.2.90.0120.01810.86
5.2.80.0050.02610.90
5.2.70.0050.02310.86
5.2.60.0070.03010.88
5.2.50.0070.02210.82
5.2.40.0030.02210.85
5.2.30.0080.02310.79
5.2.20.0060.03110.74
5.2.10.0040.02210.70
5.2.00.0110.01510.71
5.1.60.0100.01810.29
5.1.50.0020.02110.19
5.1.40.0020.02210.37
5.1.30.0060.01710.42
5.1.20.0090.02310.40
5.1.10.0030.02110.36
5.1.00.0070.01710.28
5.0.50.0040.0169.46
5.0.40.0020.0179.48
5.0.30.0030.0259.38
5.0.20.0060.0129.40
5.0.10.0050.0159.37
5.0.00.0080.0189.46
4.4.90.0030.0139.12
4.4.80.0020.0139.12
4.4.70.0050.0089.12
4.4.60.0000.0149.12
4.4.50.0000.0149.12
4.4.40.0040.0169.12
4.4.30.0000.0159.12
4.4.20.0070.0149.13
4.4.10.0000.0159.13
4.4.00.0040.0159.13
4.3.110.0060.0119.13
4.3.100.0020.0159.13
4.3.90.0050.0109.13
4.3.80.0040.0259.13
4.3.70.0020.0129.13
4.3.60.0030.0129.13
4.3.50.0070.0099.13
4.3.40.0050.0189.13
4.3.30.0060.0089.13
4.3.20.0040.0139.13
4.3.10.0030.0129.13
4.3.00.0030.0118.60

preferences:
36.97 ms | 401 KiB | 5 Q