3v4l.org

run code in 300+ PHP versions simultaneously
<?php function checkDateTime($dateTime){ $re1='((?:(?:[1]{1}\\d{1}\\d{1}\\d{1})|(?:[2]{1}\\d{3}))[-:\\/.](?:[0]?[1-9]|[1][012])[-:\\/.](?:(?:[0-2]?\\d{1})|(?:[3][01]{1})))(?![\\d])'; $re2='(T)'; $re3='((?:(?:[0-1][0-9])|(?:[2][0-3])|(?:[0-9])):(?:[0-5][0-9])(?::[0-5][0-9])?(?:\\s?(?:am|AM|pm|PM))?)'; $regex = '(\d{4})-(\d{2})-(\d{2}) (\d{2}):(\d{2}):(\d{2})'; if (preg_match($regex , $dateTime)){ return true; } else{ return false; } } $a = checkDateTime("2014-80-26T00:00:00"); var_dump($a);

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)
8.3.60.0170.00318.55
8.3.50.0100.00822.15
8.3.40.0110.00418.67
8.3.30.0080.00819.00
8.3.20.0040.00420.21
8.3.10.0080.00021.72
8.3.00.0040.00419.56
8.2.180.0070.00718.29
8.2.170.0120.00922.96
8.2.160.0090.00620.26
8.2.150.0110.00424.18
8.2.140.0040.00424.66
8.2.130.0050.00226.16
8.2.120.0050.00319.23
8.2.110.0100.00019.27
8.2.100.0040.00717.84
8.2.90.0040.00419.23
8.2.80.0050.00317.97
8.2.70.0030.00517.25
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0090.00018.21
8.2.30.0000.00719.43
8.2.20.0040.00417.49
8.2.10.0030.00518.03
8.2.00.0000.00717.69
8.1.280.0150.00325.92
8.1.270.0030.00623.75
8.1.260.0070.00026.35
8.1.250.0090.00028.09
8.1.240.0050.00523.92
8.1.230.0080.00320.90
8.1.220.0040.00418.77
8.1.210.0030.00619.12
8.1.200.0060.00317.23
8.1.190.0000.00817.41
8.1.180.0060.00318.10
8.1.170.0060.00318.44
8.1.160.0030.00718.82
8.1.150.0000.00718.86
8.1.140.0000.00717.38
8.1.130.0070.00017.88
8.1.120.0040.00417.46
8.1.110.0040.00417.27
8.1.100.0040.00417.40
8.1.90.0070.00017.41
8.1.80.0000.00717.32
8.1.70.0000.00717.36
8.1.60.0040.00417.44
8.1.50.0080.00017.48
8.1.40.0000.00717.32
8.1.30.0080.00017.65
8.1.20.0040.00417.67
8.1.10.0030.00517.44
8.1.00.0020.00517.30
8.0.300.0000.00919.85
8.0.290.0000.00717.04
8.0.280.0070.00018.37
8.0.270.0030.00317.04
8.0.260.0000.00617.10
8.0.250.0000.00717.00
8.0.240.0000.00716.92
8.0.230.0000.00816.88
8.0.220.0030.00316.84
8.0.210.0030.00316.86
8.0.200.0030.00316.84
8.0.190.0030.00516.95
8.0.180.0070.00016.90
8.0.170.0040.00416.93
8.0.160.0000.00816.77
8.0.150.0050.00216.85
8.0.140.0070.00016.77
8.0.130.0050.00013.32
8.0.120.0030.00516.88
8.0.110.0000.00716.93
8.0.100.0070.00016.73
8.0.90.0000.00716.88
8.0.80.0030.01416.88
8.0.70.0000.00716.75
8.0.60.0080.00016.71
8.0.50.0050.00316.73
8.0.30.0130.00816.93
8.0.20.0110.00817.40
8.0.10.0000.00717.03
8.0.00.0030.01316.55
7.4.330.0000.00515.02
7.4.320.0000.00616.44
7.4.300.0030.00316.64
7.4.290.0030.00316.50
7.4.280.0030.00616.58
7.4.270.0070.00016.52
7.4.260.0040.00416.52
7.4.250.0000.00816.51
7.4.240.0040.00316.57
7.4.230.0030.00316.52
7.4.220.0090.01816.32
7.4.210.0070.00716.54
7.4.200.0000.00816.41
7.4.160.0060.01116.32
7.4.150.0160.00717.40
7.4.140.0130.00517.86
7.4.130.0110.00516.46
7.4.120.0060.01116.50
7.4.110.0070.01616.66
7.4.100.0030.02016.60
7.4.90.0090.00916.37
7.4.80.0070.01119.39
7.4.70.0060.01116.68
7.4.60.0070.00916.43
7.4.50.0050.00516.53
7.4.40.0070.01016.63
7.4.30.0090.00916.40
7.4.00.0080.00814.93
7.3.330.0060.00013.26
7.3.320.0050.00013.18
7.3.310.0030.00316.33
7.3.300.0030.00316.31
7.3.290.0110.00516.26
7.3.280.0130.00616.27
7.3.270.0060.01217.40
7.3.260.0030.01416.41
7.3.250.0080.00816.55
7.3.240.0060.01316.52
7.3.230.0090.00916.39
7.3.210.0090.00916.36
7.3.200.0110.01119.39
7.3.190.0160.00416.38
7.3.180.0110.00516.28
7.3.170.0070.01416.51
7.3.160.0000.01616.28
7.3.120.0090.00914.81
7.3.110.0060.01014.90
7.3.100.0060.00614.89
7.3.90.0120.00414.84
7.3.80.0090.00614.41
7.3.70.0060.00314.85
7.3.60.0080.00614.67
7.3.50.0070.00714.51
7.3.40.0060.00614.81
7.3.30.0030.01514.47
7.3.20.0060.00316.73
7.3.10.0090.00816.51
7.3.00.0020.00816.57
7.2.330.0040.01516.48
7.2.320.0060.01016.61
7.2.310.0120.01516.67
7.2.300.0110.00616.64
7.2.290.0080.01416.32
7.2.250.0100.01014.81
7.2.240.0110.00714.94
7.2.230.0040.01414.93
7.2.220.0000.01415.14
7.2.210.0130.00314.72
7.2.200.0060.00914.95
7.2.190.0030.01314.78
7.2.180.0030.00614.57
7.2.170.0000.01314.98
7.2.130.0030.01116.72
7.2.120.0090.00416.70
7.2.110.0040.01016.72
7.2.100.0070.00516.87
7.2.90.0040.00816.80
7.2.80.0040.00616.83
7.2.70.0070.00516.81
7.2.60.0050.00716.67
7.2.50.0050.00916.91
7.2.40.0070.00516.83
7.2.30.0040.01116.75
7.2.20.0040.00616.89
7.2.10.0080.00716.91
7.2.00.0030.00917.58
7.1.330.0000.01315.41
7.1.320.0030.00615.91
7.1.310.0030.01315.62
7.1.300.0040.01215.71
7.1.290.0080.00415.59
7.1.280.0040.00815.83
7.1.270.0080.00815.85
7.1.260.0100.00315.90
7.1.250.0030.00815.82
7.1.240.0090.00315.86
7.1.230.0090.00015.67
7.1.220.0030.00715.84
7.1.210.0030.00615.61
7.1.200.0120.00315.61
7.1.190.0030.00715.79
7.1.180.0080.00315.73
7.1.170.0090.00315.50
7.1.160.0100.00315.71
7.1.150.0090.00315.57
7.1.140.0110.00015.86
7.1.130.0070.00715.61
7.1.120.0040.01115.74
7.1.110.0040.00815.80
7.1.100.0000.01416.81
7.1.90.0030.00915.83
7.1.80.0070.00715.82
7.1.70.0070.00516.35
7.1.60.0090.00917.58
7.1.50.0140.01125.08
7.1.40.0030.01015.38
7.1.30.0030.01315.84
7.1.20.0040.01115.78
7.1.10.0000.01615.53
7.1.00.0070.04219.06
7.0.330.0030.00614.99
7.0.320.0030.00715.31
7.0.310.0000.01115.18
7.0.300.0060.00715.06
7.0.290.0040.00815.18
7.0.280.0090.00315.22
7.0.270.0080.00315.30
7.0.260.0070.01015.23
7.0.250.0060.00915.49
7.0.240.0090.00615.37
7.0.230.0070.00315.22
7.0.220.0000.00915.25
7.0.210.0040.00714.98
7.0.200.0000.00815.97
7.0.190.0040.00415.42
7.0.180.0060.00315.34
7.0.170.0030.00915.31
7.0.160.0030.01015.05
7.0.150.0040.00815.46
7.0.140.0050.02318.62
7.0.130.0070.00715.48
7.0.120.0060.00615.51
7.0.110.0060.00314.99
7.0.100.0000.01115.34
7.0.90.0030.01115.08
7.0.80.0060.00314.96
7.0.70.0070.00715.01
7.0.60.0150.03217.66
7.0.50.0050.04716.67
7.0.40.0030.02716.72
7.0.30.0280.04016.81
7.0.20.0170.04816.80
7.0.10.0180.04216.65
7.0.00.0080.02816.63
5.6.380.0070.00314.43
5.6.370.0000.00913.94
5.6.360.0120.00914.16
5.6.350.0070.00713.71
5.6.340.0000.00913.98
5.6.330.0040.00813.95
5.6.320.0030.01313.95
5.6.310.0000.01413.99
5.6.300.0120.00414.18
5.6.290.0030.01013.99
5.6.280.0050.04117.62
5.6.270.0130.01014.07
5.6.260.0130.00714.08
5.6.250.0130.00314.36
5.6.240.0030.00614.41
5.6.230.0140.00014.25
5.6.220.0060.00614.40
5.6.210.0070.02517.51
5.6.200.0070.02516.22
5.6.190.0110.01717.24
5.6.180.0180.04217.33
5.6.170.0190.04217.15
5.6.160.0080.04317.31
5.6.150.0050.03516.05
5.6.140.0070.04016.31
5.6.130.0100.04016.11
5.6.120.0110.03717.42
5.6.110.0090.03817.48
5.6.100.0060.03417.52
5.6.90.0050.04217.48
5.6.80.0090.03517.32
5.6.70.0070.00714.04
5.6.60.0060.00313.78
5.6.50.0000.01714.08
5.6.40.0000.01313.98
5.6.30.0070.00713.72
5.6.20.0150.00413.98
5.6.10.0130.00313.88
5.6.00.0130.00613.89
5.5.380.0080.00410.57
5.5.370.0060.00610.72
5.5.360.0050.00510.95
5.5.350.2110.02315.63
5.5.340.0030.04714.44
5.5.330.0060.02315.67
5.5.320.0260.03515.54
5.5.310.0100.02715.70
5.5.300.0050.03014.50
5.5.290.0010.04014.52
5.5.280.0050.02715.88
5.5.270.0050.04315.77
5.5.260.0040.04715.93
5.5.250.0080.04515.87
5.5.240.0110.04215.65
5.5.230.0080.00011.13
5.5.220.0030.00610.82
5.5.210.0100.00310.52
5.5.200.0000.00710.76
5.5.190.0060.00610.92
5.5.180.0080.00310.84
5.5.170.0070.00310.84
5.5.160.0030.00310.95
5.5.150.0090.00310.92
5.5.140.0030.00611.02
5.5.130.0040.00710.64
5.5.120.0110.00010.73
5.5.110.0030.00510.72
5.5.100.0070.00310.67
5.5.90.0070.00310.62
5.5.80.0120.00011.00
5.5.70.0080.00310.77
5.5.60.0030.00910.63
5.5.50.0040.00810.78
5.5.40.0060.01210.87
5.5.30.0060.00610.68
5.5.20.0040.00710.80
5.5.10.0000.00911.21
5.5.00.0080.00410.95
5.4.450.0410.01815.28
5.4.440.0120.02915.12
5.4.430.0370.02115.16
5.4.420.0100.03015.25
5.4.410.0100.03014.96
5.4.400.0090.03014.77
5.4.390.0080.03814.91
5.4.380.0070.03414.92
5.4.370.0070.02814.88
5.4.360.0080.03814.54
5.4.350.0050.02212.16
5.4.340.0140.01512.37
5.4.330.0080.00410.97
5.4.320.0080.02412.79
5.4.310.0050.02512.47
5.4.300.0080.02212.49
5.4.290.0120.01912.60
5.4.280.0150.01712.60
5.4.270.0050.02712.50
5.4.260.0100.02212.47
5.4.250.0070.02812.51
5.4.240.0050.02212.53
5.4.230.0090.02012.59
5.4.220.0090.02412.51
5.4.210.0050.02312.39
5.4.200.0180.01712.57
5.4.190.0180.01312.54
5.4.180.0120.01812.53
5.4.170.0070.02512.56
5.4.160.0040.02612.40
5.4.150.0060.02312.57
5.4.140.0050.02312.52
5.4.130.0050.02412.41
5.4.120.0100.02012.21
5.4.110.0080.02112.50
5.4.100.0100.02312.24
5.4.90.0120.02012.11
5.4.80.0060.02512.24
5.4.70.0110.01712.09
5.4.60.0100.02012.30
5.4.50.0100.02012.30
5.4.40.0040.02412.41
5.4.30.0110.01812.34
5.4.20.0070.02312.42
5.4.10.0100.02012.23
5.4.00.0100.01812.08
5.3.290.0080.02412.57
5.3.280.0030.02412.47
5.3.270.0080.02012.42
5.3.260.0110.01712.58
5.3.250.0100.01812.59
5.3.240.0110.01912.53
5.3.230.0050.02212.56
5.3.220.0050.02312.57
5.3.210.0060.02612.37
5.3.200.0110.01812.42
5.3.190.0100.01912.51
5.3.180.0110.02012.55
5.3.170.0090.02012.67
5.3.160.0080.02112.58
5.3.150.0100.01812.59
5.3.140.0040.02212.55
5.3.130.0110.01812.58
5.3.120.0110.01812.60
5.3.110.0050.02512.60
5.3.100.0100.01812.19
5.3.90.0070.02012.38
5.3.80.0080.02112.27
5.3.70.0060.02212.19
5.3.60.0070.02212.31
5.3.50.0070.02012.21
5.3.40.0080.02012.25
5.3.30.0050.02412.19
5.3.20.0070.01812.08
5.3.10.0070.02312.07
5.3.00.0070.02211.97
5.2.170.0060.01910.39
5.2.160.0070.01810.36
5.2.150.0050.02010.48
5.2.140.0050.01710.35
5.2.130.0050.02110.35
5.2.120.0050.01810.16
5.2.110.0080.01610.42
5.2.100.0050.01710.35
5.2.90.0030.02110.33
5.2.80.0070.01810.32
5.2.70.0020.02310.32
5.2.60.0050.01810.21
5.2.50.0080.01310.19
5.2.40.0080.01310.19
5.2.30.0050.01610.04
5.2.20.0040.01710.16
5.2.10.0030.01910.01
5.2.00.0050.0179.99
5.1.60.0020.0179.11
5.1.50.0050.0139.27
5.1.40.0020.0169.32
5.1.30.0020.0159.56
5.1.20.0070.0129.56
5.1.10.0040.0159.26
5.1.00.0050.0139.38
5.0.50.0030.0118.11
5.0.40.0050.0108.10
5.0.30.0050.0158.10
5.0.20.0060.0138.10
5.0.10.0030.0138.10
5.0.00.0020.0198.10
4.4.90.0020.0108.10
4.4.80.0000.0128.10
4.4.70.0030.0088.10
4.4.60.0000.0148.10
4.4.50.0030.0088.10
4.4.40.0000.0178.10
4.4.30.0000.0118.10
4.4.20.0020.0108.10
4.4.10.0000.0148.10
4.4.00.0040.0148.10
4.3.110.0000.0148.10
4.3.100.0020.0108.10
4.3.90.0000.0128.10
4.3.80.0030.0148.10
4.3.70.0030.0088.10
4.3.60.0000.0128.10
4.3.50.0030.0108.10
4.3.40.0010.0138.10
4.3.30.0030.0088.10
4.3.20.0010.0108.10
4.3.10.0020.0128.10
4.3.00.0110.00512.12

preferences:
65.81 ms | 401 KiB | 5 Q