3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = array('ahoj', 'blb', 'bla', 'blabla', '1_22x44','1_22x44a', 'a1_22x44'); $pattern = '/^(?![0-9]_[0-9]*x[0-9]*$).+$/'; foreach ($test as $t) { echo $t.' : '.(preg_match($pattern, $t)?'yes':'no') ."\n\r"; }

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)
8.3.40.0120.00318.94
8.3.30.0000.01418.97
8.3.20.0080.00018.94
8.3.10.0050.00320.79
8.3.00.0070.00317.63
8.2.170.0100.00722.96
8.2.160.0150.00022.25
8.2.150.0090.00024.18
8.2.140.0100.00024.66
8.2.130.0030.00526.16
8.2.120.0040.00420.14
8.2.110.0060.00320.91
8.2.100.0090.00318.03
8.2.90.0030.00619.08
8.2.80.0070.00317.97
8.2.70.0030.00517.63
8.2.60.0040.00418.03
8.2.50.0040.00418.07
8.2.40.0040.00418.22
8.2.30.0050.00319.86
8.2.20.0040.00417.76
8.2.10.0070.00017.75
8.2.00.0000.01017.84
8.1.270.0000.00823.99
8.1.260.0040.01126.35
8.1.250.0050.00328.09
8.1.240.0030.00622.61
8.1.230.0110.00020.91
8.1.220.0050.00318.77
8.1.210.0040.00418.77
8.1.200.0060.00317.48
8.1.190.0000.00817.52
8.1.180.0050.00218.10
8.1.170.0040.00418.79
8.1.160.0060.00318.79
8.1.150.0000.00718.75
8.1.140.0040.00417.71
8.1.130.0000.00717.77
8.1.120.0040.00417.68
8.1.110.0000.00717.60
8.1.100.0030.00617.50
8.1.90.0070.00017.49
8.1.80.0080.00317.60
8.1.70.0000.00817.50
8.1.60.0040.00417.75
8.1.50.0000.00817.62
8.1.40.0080.00017.57
8.1.30.0040.00417.70
8.1.20.0030.00517.83
8.1.10.0000.00717.56
8.1.00.0040.00417.53
8.0.300.0000.00919.85
8.0.290.0060.00316.63
8.0.280.0080.00018.40
8.0.270.0000.00717.34
8.0.260.0000.00718.75
8.0.250.0040.00417.08
8.0.240.0000.00817.12
8.0.230.0090.00017.08
8.0.220.0040.00417.04
8.0.210.0040.00417.04
8.0.200.0040.00417.12
8.0.190.0050.00217.03
8.0.180.0000.00717.05
8.0.170.0030.00716.95
8.0.160.0000.00717.05
8.0.150.0000.00817.04
8.0.140.0030.00616.99
8.0.130.0030.00313.51
8.0.120.0000.00816.98
8.0.110.0000.00716.91
8.0.100.0040.00416.89
8.0.90.0040.00416.98
8.0.80.0070.01017.07
8.0.70.0040.00417.10
8.0.60.0040.00416.93
8.0.50.0050.00316.98
8.0.30.0100.01016.99
8.0.20.0120.00817.40
8.0.10.0070.00017.02
8.0.00.0130.00616.78
7.4.330.0030.00314.97
7.4.320.0030.00316.82
7.4.300.0070.00016.71
7.4.290.0020.00516.77
7.4.280.0070.00016.72
7.4.270.0070.00016.84
7.4.260.0000.00613.50
7.4.250.0030.00616.61
7.4.240.0090.00016.82
7.4.230.0000.00816.73
7.4.220.0100.01616.84
7.4.210.0110.00516.77
7.4.200.0000.00716.82
7.4.190.0030.00316.97
7.4.160.0120.00816.61
7.4.150.0150.01017.40
7.4.140.0120.00417.29
7.4.130.0110.00716.67
7.4.120.0100.00816.69
7.4.110.0090.00616.67
7.4.100.0070.01016.80
7.4.90.0090.00916.68
7.4.80.0040.01819.03
7.4.70.0000.01716.70
7.4.60.0070.01016.69
7.4.50.0000.00716.64
7.4.40.0060.00622.27
7.4.30.0100.01016.84
7.4.00.0070.00715.23
7.3.330.0020.00213.17
7.3.320.0030.00313.23
7.3.310.0000.00716.31
7.3.300.0030.00316.47
7.3.290.0070.00716.53
7.3.280.0050.01216.41
7.3.270.0140.00317.40
7.3.260.0090.01118.24
7.3.250.0070.01016.47
7.3.240.0120.00916.63
7.3.230.0060.01116.81
7.3.210.0090.00916.40
7.3.200.0100.01019.39
7.3.190.0070.01416.51
7.3.180.0140.00516.51
7.3.170.0110.01116.76
7.3.160.0100.00716.88
7.3.120.0070.01015.13
7.3.00.0040.01117.02
7.2.330.0120.01216.65
7.2.320.0100.00716.71
7.2.310.0100.01016.75
7.2.300.0030.01816.74
7.2.290.0100.00616.78
7.2.130.0000.01117.14
7.2.120.0070.00417.09
7.2.110.0080.00817.22
7.2.100.0080.00416.85
7.2.90.0060.00616.97
7.2.80.0000.01416.95
7.2.70.0090.00317.14
7.2.60.0070.00717.16
7.2.50.0040.00817.16
7.2.40.0070.00417.23
7.2.30.0090.00016.90
7.2.20.0030.00917.13
7.2.10.0070.00716.91
7.2.00.0080.00316.94
7.1.250.0090.00915.82
7.1.240.0030.00716.00
7.1.230.0000.01215.82
7.1.220.0030.00816.05
7.1.210.0000.01016.08
7.1.200.0040.00515.96
7.1.190.0030.00916.04
7.1.180.0040.00415.87
7.1.170.0060.00316.02
7.1.160.0030.00915.59
7.1.150.0070.00715.88
7.1.140.0030.01015.94
7.1.130.0000.00715.89
7.1.120.0040.00716.04
7.1.110.0000.01015.93
7.1.100.0000.00715.78
7.1.90.0100.00315.86
7.1.80.0060.00315.87
7.1.70.0020.00616.65
7.1.60.0080.01217.67
7.1.50.0020.01416.49
7.1.40.0040.00816.11
7.1.30.0000.01115.79
7.1.20.0060.00315.99
7.1.10.0080.00416.03
7.1.00.0030.02319.25
7.0.330.0060.01015.47
7.0.320.0030.00615.77
7.0.310.0070.00315.50
7.0.300.0030.01015.71
7.0.290.0030.01015.64
7.0.280.0050.00315.42
7.0.270.0030.00515.42
7.0.260.0030.00615.77
7.0.250.0000.01015.78
7.0.240.0070.00415.73
7.0.230.0060.00615.46
7.0.220.0070.00415.70
7.0.210.0110.00415.43
7.0.200.0130.00316.11
7.0.190.0000.01215.39
7.0.180.0030.01315.26
7.0.170.0050.00315.45
7.0.160.0030.00615.71
7.0.150.0000.01415.29
7.0.140.0040.04218.78
7.0.130.0000.01515.75
7.0.120.0030.00715.74
7.0.110.0090.00615.52
7.0.100.0060.00915.57
7.0.90.0100.00315.71
7.0.80.0030.01015.80
7.0.70.0060.00615.63
7.0.60.0050.04517.64
7.0.50.0020.02716.75
7.0.40.0120.02516.71
7.0.30.0120.04716.87
7.0.20.0150.04416.99
7.0.10.0060.02816.90
7.0.00.0020.04116.72
5.6.380.0000.01014.41
5.6.370.0120.00314.41
5.6.360.0030.00614.21
5.6.350.0000.01114.17
5.6.340.0040.01114.47
5.6.330.0070.00714.63
5.6.320.0080.00314.18
5.6.310.0000.00714.38
5.6.300.0070.00714.34
5.6.290.0000.01514.10
5.6.280.0020.04017.52
5.6.270.0030.00614.48
5.6.260.0030.00914.45
5.6.250.0100.00314.45
5.6.240.0090.00314.39
5.6.230.0030.00914.70
5.6.220.0100.00313.99
5.6.210.0100.03117.55
5.6.200.0050.02616.36
5.6.190.0110.02817.45
5.6.180.0290.03017.49
5.6.170.0220.04417.35
5.6.160.0050.04417.41
5.6.150.0120.02816.29
5.6.140.0080.04516.20
5.6.130.0040.02716.42
5.6.120.0050.02717.65
5.6.110.0090.03917.81
5.6.100.0080.04317.70
5.6.90.0030.02917.60
5.6.80.0070.02217.40
5.6.70.0070.00714.48
5.6.60.0080.00414.19
5.6.50.0040.00414.63
5.6.40.0070.00714.04
5.6.30.0000.01014.48
5.6.20.0110.00014.50
5.6.10.0000.01114.45
5.6.00.0100.00314.35
5.5.380.0030.00611.11
5.5.370.0040.00411.36
5.5.360.0030.00311.26
5.5.350.0070.03415.89
5.5.340.0060.02414.50
5.5.330.0090.03815.78
5.5.320.0130.02215.60
5.5.310.0160.03615.79
5.5.300.0030.02514.46
5.5.290.0050.03814.59
5.5.280.0050.03016.02
5.5.270.0000.04616.03
5.5.260.0070.03815.97
5.5.250.0070.03115.90
5.5.240.0020.04015.70
5.5.230.0050.00311.07
5.5.220.0040.00810.98
5.5.210.0030.00311.12
5.5.200.0030.00711.15
5.5.190.0040.00411.02
5.5.180.0000.01110.97
5.5.170.0030.00711.13
5.5.160.0070.00011.23
5.5.150.0000.00611.19
5.5.140.0060.00011.16
5.5.130.0060.00310.82
5.5.120.0060.00610.91
5.5.110.0000.00511.25
5.5.100.0030.00311.07
5.5.90.0040.00411.14
5.5.80.0030.00711.12
5.5.70.0030.00610.86
5.5.60.0040.00710.74
5.5.50.0000.00710.94
5.5.40.0030.00311.00
5.5.30.0030.00310.96
5.5.20.0050.00511.17
5.5.10.0050.00511.09
5.5.00.0040.00410.92
5.4.450.0080.02615.26
5.4.440.0080.02815.15
5.4.430.0100.02915.39
5.4.420.0150.02315.03
5.4.410.0110.02015.37
5.4.400.0120.02415.08
5.4.390.0070.02514.98
5.4.380.0080.02515.14
5.4.370.0130.02315.09
5.4.360.0130.02515.16
5.4.350.0170.02015.00
5.4.340.0110.02114.99
5.4.330.0000.00910.85
5.4.320.0130.03414.86
5.4.310.0160.02315.02
5.4.300.0160.01814.92
5.4.290.0100.02015.17
5.4.280.0100.03314.99
5.4.270.0120.02515.05
5.4.260.0100.02314.89
5.4.250.0100.02015.07
5.4.240.0100.02015.02
5.4.230.0090.02515.04
5.4.220.0100.02815.00
5.4.210.0150.02214.91
5.4.200.0100.02215.14
5.4.190.0180.01815.13
5.4.180.0150.03814.97
5.4.170.0100.02214.96
5.4.160.0130.02415.02
5.4.150.0110.02314.86
5.4.140.0190.01613.63
5.4.130.0160.03313.55
5.4.120.0150.02813.70
5.4.110.0070.02513.71
5.4.100.0100.02513.69
5.4.90.0160.02813.70
5.4.80.0050.02413.74
5.4.70.0160.03013.55
5.4.60.0170.01813.64
5.4.50.0150.02813.78
5.4.40.0160.02713.60
5.4.30.0110.02313.67
5.4.20.0130.02013.78
5.4.10.0070.03813.59
5.4.00.0130.01713.32
5.3.290.0080.03012.56
5.3.280.0090.03512.51
5.3.270.0080.03812.49
5.3.260.0140.03712.53
5.3.250.0120.03812.51
5.3.240.0170.03612.53
5.3.230.0150.03312.43
5.3.220.0050.03412.34
5.3.210.0090.03212.43
5.3.200.0090.02212.45
5.3.190.0130.03312.47
5.3.180.0120.02412.53
5.3.170.0070.03012.47
5.3.160.0180.03212.49
5.3.150.0070.04112.63
5.3.140.0100.02512.51
5.3.130.0080.02712.43
5.3.120.0070.03012.45
5.3.110.0070.02912.51
5.3.100.0080.03012.27
5.3.90.0100.03312.17
5.3.80.0100.02012.30
5.3.70.0100.03912.21
5.3.60.0160.03512.16
5.3.50.0150.03512.06
5.3.40.0100.03712.06
5.3.30.0080.02612.28
5.3.20.0130.02811.97
5.3.10.0140.02611.93
5.3.00.0080.02011.84
5.2.170.0070.02810.31
5.2.160.0110.01310.28
5.2.150.0080.02310.43
5.2.140.0080.01810.27
5.2.130.0090.03410.20
5.2.120.0080.01810.16
5.2.110.0070.03410.29
5.2.100.0070.02510.22
5.2.90.0130.02510.29
5.2.80.0060.02310.23
5.2.70.0220.03010.24
5.2.60.0100.01810.15
5.2.50.0050.03510.10
5.2.40.0100.01310.23
5.2.30.0050.03110.10
5.2.20.0050.01910.11
5.2.10.0110.01310.11
5.2.00.0070.0179.96
5.1.60.0130.0239.66
5.1.50.0120.0209.75
5.1.40.0070.0179.61
5.1.30.0080.0309.88
5.1.20.0070.0189.89
5.1.10.0110.0279.64
5.1.00.0100.0189.65
5.0.50.0050.0158.99
5.0.40.0090.0158.81
5.0.30.0080.0308.74
5.0.20.0050.0238.78
5.0.10.0080.0188.75
5.0.00.0030.0248.72
4.4.90.0020.0158.44
4.4.80.0030.0198.44
4.4.70.0030.0108.44
4.4.60.0070.0188.44
4.4.50.0080.0138.44
4.4.40.0030.0178.44
4.4.30.0070.0168.44
4.4.20.0080.0118.44
4.4.10.0070.0108.44
4.4.00.0050.0168.44
4.3.110.0060.0218.44
4.3.100.0050.0208.44
4.3.90.0030.0138.44
4.3.80.0050.0288.44
4.3.70.0060.0118.44
4.3.60.0180.0108.44
4.3.50.0060.0098.44
4.3.40.0070.0238.44
4.3.30.0120.0138.44
4.3.20.0120.0178.44
4.3.10.0050.0178.44
4.3.00.0050.0128.44

preferences:
42.85 ms | 400 KiB | 5 Q