3v4l.org

run code in 300+ PHP versions simultaneously
<?php function is_valid_date($value, $format = 'dd.mm.yyyy'){ if(strlen($value) >= 6 && strlen($format) == 10){ // find separator. Remove all other characters from $format $separator_only = str_replace(array('m','d','y'),'', $format); $separator = $separator_only[0]; // separator is first character if($separator && strlen($separator_only) == 2){ // make regex $regexp = str_replace('mm', '(0?[1-9]|1[0-2])', $format); $regexp = str_replace('dd', '(0[1-9]|[12][0-9]|3[01])', $regexp); $regexp = str_replace('yyyy', '((?:19|20)\d\d)', $regexp); $regexp = str_replace($separator, "\\" . $separator, $regexp); echo ($regexp."<br>\n"); if($regexp != $value && preg_match('/'.$regexp.'\z/', $value)){ echo ("-----------------------------"); // check date $arr=explode($separator,$value); $day=$arr[0]; $month=$arr[1]; $year=$arr[2]; if(@checkdate($month, $day, $year)) return true; } } } return false; } var_dump(is_valid_date('22.22.2222', 'mm.dd.yyyy')); // returns false var_dump(is_valid_date('11/30/2008', 'mm/dd/yyyy')); // returns true var_dump(is_valid_date('30-01-2008', 'dd-mm-yyyy')); // returns true var_dump(is_valid_date('2008 01 30', 'yyyy mm dd')); // returns true

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)
8.3.60.0060.01018.68
8.3.50.0140.00321.27
8.3.40.0140.00719.04
8.3.30.0040.01118.92
8.3.20.0040.00420.34
8.3.10.0000.00922.09
8.3.00.0040.00422.47
8.2.180.0160.00616.75
8.2.170.0070.00722.96
8.2.160.0110.00420.38
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0030.00619.79
8.2.110.0060.00620.53
8.2.100.0120.00319.39
8.2.90.0000.00819.22
8.2.80.0080.00019.12
8.2.70.0000.00817.88
8.2.60.0070.00317.93
8.2.50.0040.00418.07
8.2.40.0030.00618.47
8.2.30.0000.00718.18
8.2.20.0040.00417.90
8.2.10.0040.00417.93
8.2.00.0000.00818.00
8.1.280.0040.01125.92
8.1.270.0060.00320.65
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0030.00623.91
8.1.230.0030.00718.97
8.1.220.0090.00017.78
8.1.210.0080.00018.77
8.1.200.0030.00617.60
8.1.190.0050.00317.65
8.1.180.0030.00618.87
8.1.170.0090.00018.78
8.1.160.0000.00822.24
8.1.150.0060.00318.79
8.1.140.0070.00017.61
8.1.130.0070.00017.96
8.1.120.0040.00417.65
8.1.110.0060.00317.54
8.1.100.0000.00717.68
8.1.90.0000.00817.62
8.1.80.0040.00417.61
8.1.70.0070.00017.59
8.1.60.0040.00417.75
8.1.50.0070.00717.67
8.1.40.0000.00817.61
8.1.30.0040.00417.86
8.1.20.0040.00417.86
8.1.10.0050.00317.73
8.1.00.0040.00417.62
8.0.300.0080.00018.77
8.0.290.0000.00817.18
8.0.280.0030.00318.37
8.0.270.0030.00317.36
8.0.260.0030.00317.07
8.0.250.0070.00017.20
8.0.240.0030.00617.20
8.0.230.0040.00417.07
8.0.220.0040.00417.25
8.0.210.0000.00717.15
8.0.200.0000.00717.27
8.0.190.0090.00017.24
8.0.180.0050.00317.20
8.0.170.0050.00317.18
8.0.160.0050.00217.24
8.0.150.0000.00817.08
8.0.140.0000.00717.04
8.0.130.0000.00613.62
8.0.120.0050.00317.13
8.0.110.0000.00717.25
8.0.100.0040.00417.07
8.0.90.0030.00517.33
8.0.80.0080.00817.13
8.0.70.0030.00517.18
8.0.60.0080.00017.23
8.0.50.0040.00417.13
8.0.30.0100.01317.41
8.0.20.0130.00617.40
8.0.10.0000.00817.28
8.0.00.0090.00917.09
7.4.330.0000.00515.00
7.4.320.0000.00616.81
7.4.300.0000.00616.94
7.4.290.0050.00216.83
7.4.280.0000.00716.92
7.4.270.0030.00316.81
7.4.260.0030.00316.81
7.4.250.0060.00316.84
7.4.240.0020.00516.87
7.4.230.0030.00316.89
7.4.220.0180.00016.90
7.4.210.0030.01216.86
7.4.200.0040.00416.94
7.4.190.0000.00816.79
7.4.160.0070.01016.71
7.4.150.0110.00717.40
7.4.140.0120.00917.86
7.4.130.0090.01116.78
7.4.120.0070.01016.82
7.4.110.0040.01316.71
7.4.100.0130.00716.94
7.4.90.0110.00816.68
7.4.80.0110.01119.39
7.4.70.0030.01516.73
7.4.60.0100.00916.72
7.4.50.0030.00616.62
7.4.40.0090.00922.77
7.4.30.0060.01116.79
7.4.00.0000.01515.41
7.3.330.0050.00013.33
7.3.320.0000.00613.36
7.3.310.0000.00716.52
7.3.300.0000.00716.46
7.3.290.0080.00616.55
7.3.280.0050.01116.57
7.3.270.0030.01417.40
7.3.260.0100.01316.77
7.3.250.0110.01116.72
7.3.240.0180.00616.62
7.3.230.0170.00316.82
7.3.210.0150.00416.75
7.3.200.0100.01319.39
7.3.190.0070.01616.80
7.3.180.0130.00416.79
7.3.170.0060.01116.88
7.3.160.0040.01316.52
7.3.120.0110.00315.04
7.2.330.0160.00316.89
7.2.320.0160.00617.05
7.2.310.0100.01016.89
7.2.300.0140.00316.92
7.2.290.0060.01016.88
7.2.00.0000.01319.62
7.1.200.0000.01416.16
7.1.100.0090.00318.47
7.1.70.0000.01117.13
7.1.60.0170.00719.82
7.1.50.0070.01717.28
7.1.00.0100.06722.34
7.0.200.0030.00617.20
7.0.140.0030.07722.00
7.0.60.0070.07319.99
7.0.50.0030.07717.91
7.0.40.0130.07320.25
7.0.30.0230.03320.12
7.0.20.0570.04720.26
7.0.10.0030.04320.26
7.0.00.0100.06320.36
5.6.280.0030.07321.07
5.6.210.0130.08320.49
5.6.200.0100.03718.29
5.6.190.0130.03720.55
5.6.180.0370.06720.39
5.6.170.0370.06720.54
5.6.160.0130.04320.47
5.6.150.0000.05318.25
5.6.140.0100.07018.16
5.6.130.0100.08018.25
5.6.120.0100.08321.06
5.6.110.0100.08021.03
5.6.100.0130.08021.00
5.6.90.0070.07021.01
5.6.80.0100.06020.39
5.6.70.4300.04020.43
5.5.350.0230.07320.36
5.5.340.0000.05317.99
5.5.330.0030.06020.21
5.5.320.0300.05320.36
5.5.310.0100.08020.30
5.5.300.0070.07717.98
5.5.290.0200.04017.99
5.5.280.0070.05720.67
5.5.270.0100.08320.80
5.5.260.0070.04020.80
5.5.250.0130.05020.67
5.5.240.0370.07020.17
5.4.450.0670.06319.22
5.4.440.0830.05719.34
5.4.430.0270.05019.57
5.4.420.0100.06719.29
5.4.410.0070.06319.08
5.4.400.1530.08318.83
5.4.390.1030.05718.73
5.4.380.0230.05718.75
5.4.370.0100.05718.56
5.4.360.0170.04718.59
5.4.350.0120.04212.03
5.4.340.0130.03812.03
5.4.320.0070.03512.52
5.4.310.0110.04112.51
5.4.300.0060.04512.52
5.4.290.0030.04812.51
5.4.280.0080.04312.41
5.4.270.0080.03712.41
5.4.260.0090.04412.41
5.4.250.0100.05018.77
5.4.240.0170.05719.09
5.4.230.0030.05718.91
5.4.220.0070.05318.75
5.4.210.0130.05019.10
5.4.200.0200.04018.80
5.4.190.0170.04318.94
5.4.180.0030.08018.90
5.4.170.0030.05718.83
5.4.160.0130.04718.94
5.4.150.0030.06319.01
5.4.140.0130.05016.41
5.4.130.0170.04016.44
5.4.120.0070.05316.42
5.4.110.0070.05716.47
5.4.100.0100.05316.53
5.4.90.0100.05316.61
5.4.80.0070.05016.40
5.4.70.0100.04716.43
5.4.60.0170.04016.39
5.4.50.0170.04316.59
5.4.40.0100.05016.50
5.4.30.0070.05716.48
5.4.20.0170.04716.63
5.4.10.0130.05316.62
5.4.00.0100.05315.81
5.3.290.0090.03712.80
5.3.280.0000.06014.69
5.3.270.0070.08014.61
5.3.260.0070.05314.70
5.3.250.0100.04714.52
5.3.240.0100.06314.59
5.3.230.0300.03714.45
5.3.220.0130.04714.75
5.3.210.0030.08014.67
5.3.200.0130.04314.67
5.3.190.0100.04714.57
5.3.180.0170.05714.59
5.3.170.0100.05314.43
5.3.160.0200.04014.55
5.3.150.0070.08014.74
5.3.140.0100.04714.73
5.3.130.0130.05014.72
5.3.120.0070.06014.71
5.3.110.0170.04714.79
5.3.100.0070.05013.96
5.3.90.0170.04014.02
5.3.80.0170.04714.09
5.3.70.0100.05013.93
5.3.60.0030.07314.08
5.3.50.0070.05314.05
5.3.40.0030.06014.04
5.3.30.0070.05013.89
5.3.20.0070.05313.93
5.3.10.0030.05713.64
5.3.00.0070.05313.65
5.2.170.0170.05011.34
5.2.160.0100.04011.23
5.2.150.0030.06711.25
5.2.140.0030.04711.06
5.2.130.0000.04711.11
5.2.120.0030.05311.21
5.2.110.0030.05711.20
5.2.100.0070.03711.08
5.2.90.0100.03711.07
5.2.80.0030.04311.33
5.2.70.0030.05711.33
5.2.60.0030.04711.14
5.2.50.0000.05011.03
5.2.40.0130.03011.03
5.2.30.0000.06710.90
5.2.20.0000.04310.97
5.2.10.0030.04010.89
5.2.00.0030.04310.70
5.1.60.0030.0509.99
5.1.50.0000.04010.11
5.1.40.0030.03710.05
5.1.30.0070.03710.32
5.1.20.0100.03010.54
5.1.10.0030.03710.28
5.1.00.0000.04310.18
5.0.50.0100.0238.40
5.0.40.0030.0408.48
5.0.30.0000.0508.20
5.0.20.0070.0238.28
5.0.10.0030.0438.16
5.0.00.0070.0538.10
4.4.90.0030.0206.67
4.4.80.0030.0306.67
4.4.70.0070.0236.67
4.4.60.0030.0236.67
4.4.50.0000.0236.67
4.4.40.0030.0406.67
4.4.30.0070.0176.67
4.4.20.0030.0206.67
4.4.10.0030.0236.67
4.4.00.0070.0276.67
4.3.110.0100.0176.67
4.3.100.0070.0206.67
4.3.90.0070.0176.67
4.3.80.0070.0336.67
4.3.70.0100.0176.67
4.3.60.0070.0276.67
4.3.50.0100.0276.67
4.3.40.0030.0436.67
4.3.30.0130.0206.67
4.3.20.0000.0236.67
4.3.10.0030.0206.67
4.3.00.0000.0236.87

preferences:
49.05 ms | 401 KiB | 5 Q