3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string1 = "sqrtpdrt"; // matched $string2 = "qwntfschrprtkjs"; // not matched (contains chr group) var_dump(preg_match('/[bcdfghjklmnpqrstvwxz]{4}/i', $string1 ) && !strstr($string1, "chr")); var_dump(preg_match('/[bcdfghjklmnpqrstvwxz]{4}/i', $string2 ) && !strstr($string2, "chr"));

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)
8.3.40.0070.00718.79
8.3.30.0100.01019.01
8.3.20.0040.00420.28
8.3.10.0000.00823.51
8.3.00.0040.00420.80
8.2.170.0140.00022.96
8.2.160.0110.00420.39
8.2.150.0080.00024.18
8.2.140.0060.00324.66
8.2.130.0110.00426.16
8.2.120.0030.00519.61
8.2.110.0080.00322.05
8.2.100.0060.00617.97
8.2.90.0000.00819.17
8.2.80.0050.00317.97
8.2.70.0000.00817.75
8.2.60.0000.00817.93
8.2.50.0070.00318.07
8.2.40.0000.00920.07
8.2.30.0000.00718.26
8.2.20.0040.00417.70
8.2.10.0080.00018.14
8.2.00.0030.00617.70
8.1.270.0040.00423.83
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0070.00423.97
8.1.230.0040.00817.64
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0030.00517.13
8.1.180.0050.00318.10
8.1.170.0000.00818.60
8.1.160.0080.00021.89
8.1.150.0000.00718.63
8.1.140.0050.00317.51
8.1.130.0030.00317.81
8.1.120.0040.00417.52
8.1.110.0000.00817.48
8.1.100.0000.00817.66
8.1.90.0000.00817.62
8.1.80.0040.00417.51
8.1.70.0040.00417.52
8.1.60.0000.00817.66
8.1.50.0000.00817.61
8.1.40.0030.00617.61
8.1.30.0090.00017.72
8.1.20.0040.00417.79
8.1.10.0000.00717.47
8.1.00.0000.00717.44
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0000.00718.44
8.0.270.0000.00817.19
8.0.260.0040.00417.18
8.0.250.0000.00717.11
8.0.240.0030.00317.09
8.0.230.0040.00416.92
8.0.220.0000.00616.99
8.0.210.0080.00017.04
8.0.200.0040.00417.06
8.0.190.0020.00517.09
8.0.180.0070.00017.02
8.0.170.0000.00816.95
8.0.160.0000.00717.04
8.0.150.0000.00816.88
8.0.140.0040.00417.00
8.0.130.0030.00313.50
8.0.120.0030.00516.95
8.0.110.0040.00416.88
8.0.100.0040.00417.05
8.0.90.0000.00716.93
8.0.80.0040.01117.02
8.0.70.0020.00517.07
8.0.60.0070.00016.91
8.0.50.0000.00716.89
8.0.30.0050.01417.10
8.0.20.0150.00817.40
8.0.10.0000.00716.96
8.0.00.0120.00616.84
7.4.330.0000.00515.17
7.4.320.0030.00316.80
7.4.300.0030.00316.61
7.4.290.0070.00316.84
7.4.280.0000.00716.81
7.4.270.0000.00716.79
7.4.260.0000.00716.63
7.4.250.0060.00316.71
7.4.240.0060.00216.73
7.4.230.0050.00216.76
7.4.220.0030.01916.65
7.4.210.0120.00816.73
7.4.200.0080.00016.83
7.4.160.0060.01016.71
7.4.150.0130.00417.40
7.4.140.0040.01417.86
7.4.130.0170.00016.58
7.4.120.0140.00316.75
7.4.110.0030.01316.78
7.4.100.0140.00316.66
7.4.90.0150.00616.63
7.4.80.0030.01419.39
7.4.70.0090.00816.63
7.4.60.0130.00316.64
7.4.50.0000.00716.82
7.4.40.0130.01016.62
7.4.30.0080.00816.58
7.4.00.0020.01314.95
7.3.330.0050.00013.11
7.3.320.0060.00013.10
7.3.310.0000.00716.21
7.3.300.0030.00616.29
7.3.290.0080.00616.24
7.3.280.0080.01016.31
7.3.270.0140.00417.40
7.3.260.0030.01516.25
7.3.250.0090.00816.57
7.3.240.0080.00816.71
7.3.230.0120.00616.39
7.3.210.0100.00616.50
7.3.200.0110.00516.27
7.3.190.0040.01216.54
7.3.180.0080.00816.64
7.3.170.0130.00316.39
7.3.160.0030.01516.39
7.3.120.0030.01414.74
7.3.110.0040.01214.88
7.3.100.0100.00714.95
7.3.90.0030.01414.79
7.3.80.0000.00914.93
7.3.70.0040.01414.79
7.3.60.0100.00714.73
7.3.50.0030.00614.75
7.3.40.0060.00914.86
7.3.30.0030.00914.71
7.3.20.0060.00616.79
7.3.10.0100.00316.34
7.3.00.0060.00616.59
7.2.330.0120.00616.57
7.2.320.0060.01016.63
7.2.310.0130.00316.68
7.2.300.0120.01016.70
7.2.290.0210.00416.54
7.2.250.0060.00915.09
7.2.240.0150.00314.88
7.2.230.0030.01215.23
7.2.220.0040.00715.27
7.2.210.0080.00814.91
7.2.200.0120.00315.16
7.2.190.0120.00314.94
7.2.180.0030.01315.20
7.2.170.0030.01314.66
7.2.60.0060.01016.61
7.2.50.0070.00416.78
7.2.00.0000.01219.23
7.1.330.0110.00416.16
7.1.320.0060.01015.96
7.1.310.0110.00015.98
7.1.300.0030.01515.84
7.1.290.0070.00715.95
7.1.280.0040.00715.80
7.1.270.0000.01415.76
7.1.260.0030.01415.84
7.1.200.0060.00915.93
7.1.100.0060.00618.52
7.1.70.0040.00917.03
7.1.60.0140.01119.70
7.1.50.0030.02117.00
7.1.00.0030.07722.59
7.0.200.0050.00216.77
7.0.140.0000.07722.04
7.0.110.0270.06019.95
7.0.100.0530.03720.06
7.0.90.0300.04320.05
7.0.80.0300.05020.06
7.0.70.0330.04720.05
7.0.60.0000.04320.08
7.0.50.0030.03319.86
7.0.40.0000.03719.86
7.0.30.0100.03019.69
7.0.20.0000.04719.58
7.0.10.0070.03019.77
7.0.00.0030.03319.71
5.6.280.0070.07021.03
5.6.260.0000.08720.66
5.6.250.0030.04320.66
5.6.240.0070.05720.70
5.6.230.0030.04320.59
5.6.220.0030.04320.66
5.6.210.0030.03320.34
5.6.200.0070.03720.70
5.6.190.0030.05320.85
5.6.180.0070.04720.62
5.6.170.0030.03720.55
5.6.160.0100.03020.57
5.6.150.0070.03720.55
5.6.140.0030.06320.55
5.6.130.0030.03320.70
5.6.120.0130.04320.63
5.6.110.0030.05020.54
5.6.100.0030.04020.63
5.6.90.0070.03020.54
5.6.80.0170.02719.98
5.6.70.0100.02719.98
5.6.60.0030.03720.06
5.6.50.0070.03019.93
5.6.40.0000.04019.91
5.6.30.0030.03719.91
5.6.20.0030.03320.01
5.6.10.0000.03320.20
5.6.00.0000.03720.05
5.5.380.0030.04017.63
5.5.370.0070.03017.66
5.5.360.0000.06317.60
5.5.350.0030.06317.40
5.5.340.0030.03317.89
5.5.330.0070.03718.16
5.5.320.0000.04018.16
5.5.310.0030.03318.02
5.5.300.0030.03317.84
5.5.290.0030.03718.12
5.5.280.0030.05317.85
5.5.270.0030.03717.84
5.5.260.0030.03718.16
5.5.250.0030.03717.82
5.5.240.0070.03017.15
5.5.230.0030.04017.23
5.5.220.0000.03317.47
5.5.210.0070.03017.36
5.5.200.0070.03017.38
5.5.190.0030.03317.21
5.5.180.0070.03017.45
5.5.160.0100.03317.48
5.5.150.0000.03317.11
5.5.140.0000.03717.19
5.5.130.0070.03017.51
5.5.120.0070.02717.36
5.5.110.0070.02717.19
5.5.100.0030.03017.12
5.5.90.0000.03317.23
5.5.80.0000.03317.26
5.5.70.0030.03717.34
5.5.60.0070.02717.39
5.5.50.0030.03317.11
5.5.40.0030.03017.09
5.5.30.0000.03317.36
5.5.20.0070.03717.33
5.5.10.0070.05717.36
5.5.00.0000.07017.33
5.4.450.0100.06019.60
5.4.440.0070.05319.35
5.4.430.0070.03719.25
5.4.420.0000.04319.30
5.4.410.0000.03719.09
5.4.400.0030.03718.95
5.4.390.0000.03318.95
5.4.380.0100.03019.12
5.4.370.0000.04019.29
5.4.360.0000.04319.02
5.4.350.0030.03319.27
5.4.340.0100.02719.02
5.4.320.0030.03319.03
5.4.310.0000.04019.01
5.4.300.0100.02319.11
5.4.290.0030.03319.02
5.4.280.0000.03319.14
5.4.270.0100.02719.16
5.4.260.0000.04019.18
5.4.250.0070.03319.09
5.4.240.0030.03719.07
5.4.230.0070.02718.92
5.4.220.0030.03019.17
5.4.210.0070.04318.92
5.4.200.0070.03019.02
5.4.190.0070.04719.27
5.4.180.0130.07018.91
5.4.170.0100.06719.26
5.4.160.0030.04019.20
5.4.150.0030.04319.10
5.4.140.0000.04316.36
5.4.130.0030.03716.52
5.4.120.0030.04716.45
5.4.110.0030.04316.48
5.4.100.0030.03016.48
5.4.90.0000.03716.27
5.4.80.0070.04316.19
5.4.70.0070.03316.46
5.4.60.0100.05716.26
5.4.50.0030.02716.40
5.4.40.0030.03716.30
5.4.30.0070.03316.32
5.4.20.0000.03716.15
5.4.10.0000.03316.46
5.4.00.0030.04015.63
5.3.290.0030.03314.74
5.3.280.0000.03314.42
5.3.270.0030.05314.68
5.3.260.0070.04714.39
5.3.250.0100.03714.50
5.3.240.0000.04014.54
5.3.230.0100.04714.63
5.3.220.0030.03714.66
5.3.210.0000.04014.56
5.3.200.0100.02314.66
5.3.190.0030.03714.63
5.3.180.0070.02714.35
5.3.170.0170.02314.66
5.3.160.0000.03314.63
5.3.150.0030.03714.50
5.3.140.0000.03314.63
5.3.130.0070.03314.54
5.3.120.0000.06014.64
5.3.110.0000.04314.43
5.3.100.0000.03313.88
5.3.90.0000.04013.88
5.3.80.0030.03013.84
5.3.70.0100.07313.94
5.3.60.0000.05313.95
5.3.50.0100.03713.84
5.3.40.0100.03014.04
5.3.30.0000.03313.93
5.3.20.0030.03313.75
5.3.10.0070.02713.53
5.3.00.0130.02313.64
5.2.170.0000.03011.84
5.2.160.0000.04011.84
5.2.150.0030.03011.84
5.2.140.0070.04011.84
5.2.130.0130.04011.84
5.2.120.0030.02711.84
5.2.110.0000.02711.84
5.2.100.0070.02311.84
5.2.90.0000.03011.84
5.2.80.0070.02711.84
5.2.70.0030.06311.84
5.2.60.0000.04011.84
5.2.50.0000.04011.84
5.2.40.0030.03311.84
5.2.30.0030.03311.84
5.2.20.0030.03311.84
5.2.10.0000.03311.84
5.2.00.0000.03011.84
5.1.60.0000.03011.84
5.1.50.0030.05711.84
5.1.40.0030.02711.84
5.1.30.0000.03011.84
5.1.20.0030.02711.84
5.1.10.0070.04011.84
5.1.00.0100.04711.84
5.0.50.0000.02311.84
5.0.40.0000.01711.84
5.0.30.0000.02711.84
5.0.20.0030.04311.84
5.0.10.0000.02011.84
5.0.00.0030.05011.84
4.4.90.0030.02311.84
4.4.80.0030.01311.84
4.4.70.0000.02711.84
4.4.60.0030.01711.84
4.4.50.0000.01711.84
4.4.40.0030.04311.84
4.4.30.0030.01711.84
4.4.20.0030.01311.84
4.4.10.0000.01711.84
4.4.00.0000.02711.84
4.3.110.0030.01711.84
4.3.100.0000.02311.84
4.3.90.0000.02711.84
4.3.80.0030.02011.84
4.3.70.0030.01311.84
4.3.60.0030.02011.84
4.3.50.0000.01711.84
4.3.40.0000.02311.84
4.3.30.0000.01711.84
4.3.20.0070.01011.84
4.3.10.0070.02311.84
4.3.00.0000.03311.84

preferences:
46.95 ms | 400 KiB | 5 Q