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)){ // 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)
8.3.60.0090.01218.53
8.3.50.0130.00521.38
8.3.40.0120.00319.21
8.3.30.0060.00919.22
8.3.20.0000.00820.30
8.3.10.0050.00322.04
8.3.00.0000.00822.34
8.2.180.0110.00416.63
8.2.170.0000.01522.96
8.2.160.0070.01420.57
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0030.00626.16
8.2.120.0050.00319.90
8.2.110.0070.00419.37
8.2.100.0090.00318.22
8.2.90.0000.00819.23
8.2.80.0040.00419.29
8.2.70.0060.00317.88
8.2.60.0060.00318.04
8.2.50.0060.00318.07
8.2.40.0040.00418.27
8.2.30.0040.00418.30
8.2.20.0030.00518.02
8.2.10.0000.00818.16
8.2.00.0040.00418.05
8.1.280.0090.01225.92
8.1.270.0060.00320.56
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0000.00922.18
8.1.230.0090.00319.08
8.1.220.0080.00017.91
8.1.210.0030.00618.77
8.1.200.0030.00617.72
8.1.190.0060.00317.65
8.1.180.0000.00820.57
8.1.170.0000.00818.70
8.1.160.0040.00422.07
8.1.150.0000.00818.85
8.1.140.0070.00017.70
8.1.130.0000.00717.94
8.1.120.0000.00817.67
8.1.110.0000.00817.57
8.1.100.0040.00417.63
8.1.90.0000.00817.68
8.1.80.0030.00617.53
8.1.70.0070.00017.66
8.1.60.0030.00617.77
8.1.50.0000.00817.68
8.1.40.0030.00617.75
8.1.30.0030.00617.81
8.1.20.0000.00817.80
8.1.10.0000.00917.69
8.1.00.0000.00817.63
8.0.300.0070.00018.77
8.0.290.0070.00017.30
8.0.280.0000.00718.40
8.0.270.0000.00717.30
8.0.260.0000.00717.00
8.0.250.0000.00717.24
8.0.240.0000.00717.17
8.0.230.0040.00417.24
8.0.220.0000.00717.22
8.0.210.0050.00217.04
8.0.200.0040.00417.22
8.0.190.0040.00417.20
8.0.180.0000.00717.21
8.0.170.0050.00317.21
8.0.160.0030.00617.27
8.0.150.0000.00717.12
8.0.140.0080.00017.08
8.0.130.0060.00013.57
8.0.120.0030.00617.22
8.0.110.0000.00817.20
8.0.100.0080.00017.07
8.0.90.0050.00217.25
8.0.80.0110.00717.15
8.0.70.0050.00217.15
8.0.60.0000.00717.12
8.0.50.0050.00317.15
8.0.30.0180.00617.36
8.0.20.0120.00717.40
8.0.10.0070.00017.19
8.0.00.0090.00916.96
7.4.330.0050.00015.00
7.4.320.0040.00416.80
7.4.300.0070.00016.82
7.4.290.0070.00016.91
7.4.280.0000.00716.75
7.4.270.0000.00716.89
7.4.260.0030.00316.82
7.4.250.0050.00216.85
7.4.240.0000.00716.88
7.4.230.0030.00316.82
7.4.220.0070.01116.83
7.4.210.0030.01116.89
7.4.200.0040.00416.58
7.4.190.0000.00716.90
7.4.160.0100.00616.70
7.4.150.0030.01417.40
7.4.140.0130.01117.86
7.4.130.0080.01016.84
7.4.120.0120.00516.83
7.4.110.0090.00916.85
7.4.100.0090.00916.91
7.4.90.0160.00316.73
7.4.80.0110.01619.39
7.4.70.0140.00716.82
7.4.60.0030.01316.86
7.4.50.0020.00216.58
7.4.40.0090.00622.77
7.4.30.0070.01016.83
7.4.00.0130.00515.28
7.3.330.0050.00013.36
7.3.320.0000.00613.44
7.3.310.0000.00816.43
7.3.300.0030.00316.45
7.3.290.0060.00916.54
7.3.280.0080.00916.51
7.3.270.0080.00917.40
7.3.260.0150.00416.71
7.3.250.0110.00716.71
7.3.240.0110.01116.72
7.3.230.0040.01416.66
7.3.210.0070.01116.66
7.3.200.0100.01019.39
7.3.190.0120.01216.68
7.3.180.0060.01316.69
7.3.170.0060.01016.57
7.3.160.0140.00716.89
7.3.120.0070.01115.03
7.3.110.0040.01115.09
7.3.100.0090.00915.10
7.3.90.0110.00714.91
7.3.80.0040.00815.07
7.3.70.0030.01015.13
7.3.60.0070.00715.15
7.3.50.0070.00715.12
7.3.40.0070.00715.18
7.3.30.0100.00715.07
7.3.20.0030.01216.84
7.3.10.0100.00716.71
7.3.00.0060.01016.91
7.2.330.0260.01217.16
7.2.320.0140.00316.95
7.2.310.0070.01616.74
7.2.300.0090.01516.96
7.2.290.0090.01216.96
7.2.250.0090.01215.36
7.2.240.0090.00615.45
7.2.230.0060.00915.20
7.2.220.0060.00315.34
7.2.210.0000.01415.41
7.2.200.0000.01415.27
7.2.190.0150.00015.17
7.2.180.0030.00615.36
7.2.170.0030.01015.41
7.2.00.0000.01519.45
7.1.330.0030.01316.15
7.1.320.0070.00715.87
7.1.310.0070.01016.04
7.1.300.0030.01015.95
7.1.290.0100.00316.15
7.1.280.0090.00616.10
7.1.270.0030.01016.19
7.1.260.0080.00416.04
7.1.100.0000.01218.32
7.1.70.0040.01117.33
7.1.60.0170.00719.82
7.1.50.0040.01817.27
7.1.00.0070.07322.33
7.0.200.0000.00717.03
7.0.140.0030.07022.21
7.0.110.0030.05319.88
7.0.100.0030.04019.98
7.0.90.0070.08019.88
7.0.80.0100.05319.95
7.0.70.0070.08319.95
7.0.60.0070.06719.91
7.0.50.0100.06019.92
7.0.40.0130.07319.67
7.0.30.0100.07719.72
7.0.20.0030.04019.71
7.0.10.0100.03019.72
7.0.00.0030.03719.82
5.6.280.0000.07721.11
5.6.260.0100.04020.64
5.6.250.0030.04720.69
5.6.240.0030.04320.70
5.6.230.0030.04720.63
5.6.220.0030.04720.66
5.6.210.0030.04020.59
5.6.200.0030.04320.67
5.6.190.0030.05020.71
5.6.180.0000.04320.63
5.6.170.0070.07320.69
5.6.160.0100.05720.64
5.6.150.0100.05020.66
5.6.140.0070.05020.57
5.6.130.0130.07320.47
5.6.120.0030.07720.66
5.6.110.0000.04020.62
5.6.100.0030.04020.65
5.6.90.0100.06720.64
5.6.80.0070.07020.05
5.6.70.0030.05320.04
5.6.60.0000.04320.01
5.6.50.0000.03720.07
5.6.40.0030.03720.22
5.6.30.0070.03020.02
5.6.20.0030.04019.83
5.6.10.0000.03319.98
5.6.00.0100.03320.06
5.5.380.0100.03017.52
5.5.370.0100.06717.70
5.5.360.0070.03717.51
5.5.350.0000.03717.64
5.5.340.0000.03718.23
5.5.330.0070.06318.10
5.5.320.0070.05317.93
5.5.310.0030.03717.91
5.5.300.0070.06718.09
5.5.290.0070.04717.91
5.5.280.0100.03318.05
5.5.270.0070.04718.07
5.5.260.0030.05718.25
5.5.250.0000.03717.73
5.5.240.0030.04017.32
5.5.230.0030.05017.60
5.5.220.0030.03317.60
5.5.210.0000.04017.31
5.5.200.0000.03717.30
5.5.190.0030.04017.28
5.5.180.0070.03017.44
5.5.160.0070.03317.44
5.5.150.0030.04717.25
5.5.140.0070.02717.42
5.5.130.0030.04017.45
5.5.120.0070.06717.28
5.5.110.0030.04717.26
5.5.100.0100.06017.38
5.5.90.0030.04017.21
5.5.80.0030.04017.38
5.5.70.0000.03717.17
5.5.60.0000.04017.38
5.5.50.0030.04717.07
5.5.40.0000.04017.20
5.5.30.0070.03317.14
5.5.20.0000.04017.17
5.5.10.0000.04317.46
5.5.00.0000.03317.06
5.4.450.0030.07019.47
5.4.440.0070.04019.46
5.4.430.0070.03019.63
5.4.420.0030.06019.50
5.4.410.0030.03319.18
5.4.400.0030.06019.19
5.4.390.0030.05719.19
5.4.380.0030.03719.00
5.4.370.0170.02719.33
5.4.360.0030.04319.04
5.4.350.0030.03019.09
5.4.340.0000.03319.24
5.4.320.0100.03318.95
5.4.310.0030.03018.95
5.4.300.0030.07318.99
5.4.290.0100.07019.25
5.4.280.0100.06018.98
5.4.270.0130.06319.02
5.4.260.0000.04019.21
5.4.250.0000.04018.98
5.4.240.0030.04019.17
5.4.230.0100.03319.22
5.4.220.0030.03719.03
5.4.210.0030.03718.99
5.4.200.0100.02718.98
5.4.190.0030.04019.16
5.4.180.0000.03719.00
5.4.170.0070.04019.30
5.4.160.0030.03319.00
5.4.150.0070.03319.00
5.4.140.0070.02716.61
5.4.130.0070.03316.43
5.4.120.0030.03316.34
5.4.110.0000.04016.46
5.4.100.0070.02716.48
5.4.90.0070.03316.46
5.4.80.0000.04016.55
5.4.70.0000.04016.60
5.4.60.0100.03016.50
5.4.50.0030.03716.54
5.4.40.0000.03716.53
5.4.30.0030.03016.39
5.4.20.0100.02716.48
5.4.10.0030.03716.62
5.4.00.0070.02715.80
5.3.290.0000.04714.69
5.3.280.0000.04014.47
5.3.270.0070.03314.77
5.3.260.0000.04314.63
5.3.250.0070.02714.61
5.3.240.0030.03014.63
5.3.230.0030.03714.62
5.3.220.0130.02014.71
5.3.210.0030.03314.66
5.3.200.0030.03314.71
5.3.190.0030.03014.60
5.3.180.0070.03314.57
5.3.170.0000.04014.61
5.3.160.0030.03714.54
5.3.150.0000.03314.59
5.3.140.0000.04014.57
5.3.130.0070.03314.54
5.3.120.0070.04314.64
5.3.110.0070.05014.55
5.3.100.0000.05014.28
5.3.90.0030.03714.16
5.3.80.0070.04713.90
5.3.70.0030.03714.04
5.3.60.0070.08014.15
5.3.50.0070.03013.82
5.3.40.0070.04713.96
5.3.30.0030.06013.95
5.3.20.0070.06013.66
5.3.10.0070.02713.68
5.3.00.0030.07313.63
5.2.170.0070.05712.07
5.2.160.0000.05712.07
5.2.150.0030.06012.07
5.2.140.0070.02012.07
5.2.130.0030.03012.07
5.2.120.0170.05012.07
5.2.110.0000.05012.07
5.2.100.0070.06012.07
5.2.90.0000.02712.07
5.2.80.0000.03312.07
5.2.70.0030.03712.07
5.2.60.0030.06012.07
5.2.50.0000.06312.07
5.2.40.0000.02712.07
5.2.30.0030.06312.07
5.2.20.0070.05312.07
5.2.10.0000.07312.07
5.2.00.0030.04712.07
5.1.60.0030.02012.07
5.1.50.0070.02012.07
5.1.40.0100.02012.07
5.1.30.0030.04712.07
5.1.20.0070.03012.07
5.1.10.0100.05312.07
5.1.00.0100.05012.07
5.0.50.0000.04312.07
5.0.40.0100.02712.07
5.0.30.0070.03312.07
5.0.20.0030.04312.07
5.0.10.0000.04312.07
5.0.00.0030.03712.07
4.4.90.0070.01012.07
4.4.80.0030.03312.07
4.4.70.0030.02312.07
4.4.60.0000.02012.07
4.4.50.0030.02312.07
4.4.40.0030.05312.07
4.4.30.0000.01712.07
4.4.20.0030.01712.07
4.4.10.0000.02012.07
4.4.00.0000.04312.07
4.3.110.0030.03312.07
4.3.100.0030.02712.07
4.3.90.0030.01312.07
4.3.80.0030.02712.07
4.3.70.0000.02712.07
4.3.60.0000.03012.07
4.3.50.0030.03312.07
4.3.40.0000.03012.07
4.3.30.0000.03712.07
4.3.20.0030.01712.07
4.3.10.0000.01712.07
4.3.00.0000.02712.07

preferences:
48.98 ms | 401 KiB | 5 Q