3v4l.org

run code in 300+ PHP versions simultaneously
<?php ini_set('date.timezone', 'GMT'); // Sun, 06 Nov 1994 08:49:37 GMT $date = gmmktime(8, 49, 37, 11, 6, 1994); function compare_date_format($date, $constant, $string) { $constant_date = date((defined($constant)) ? constant($constant) : '', $date); $string_date = date($string, $date); var_dump($constant, $constant_date, $string_date, $constant_date === $string_date); } compare_date_format($date, 'DATE_RFC822', 'D, j M y H:i:s O'); compare_date_format($date, 'DATE_RFC850', 'l, d-M-y H:i:s T'); compare_date_format($date, 'DATE_RFC1036', 'D, d M y H:i:s O'); compare_date_format($date, 'DATE_RFC1123', 'D, d M Y H:i:s O'); compare_date_format($date, 'DATE_RFC2109', 'D, d-M-y H:i:s T'); compare_date_format($date, 'DATE_COOKIE', 'D, d-M-Y H:i:s T'); compare_date_format($date, 'DATE_RFC2616', 'D, d M Y H:i:s \G\M\T'); //compare_date_format($date, 'DATE_RFC2965', ''); compare_date_format($date, 'DATE_RFC2822', 'D, j M Y H:i:s O'); compare_date_format($date, 'DATE_RFC5322', 'D, j M Y H:i:s O'); compare_date_format($date, 'DATE_RFC6265', 'D, d M Y H:i:s \G\M\T'); compare_date_format($date, 'DATE_RFC7231', 'D, d M Y H:i:s \G\M\T');

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)
8.4.120.0130.00820.62
8.4.110.0050.00518.00
8.4.100.0140.00718.03
8.4.90.0140.00720.32
8.4.80.0140.00618.84
8.4.70.0070.00520.73
8.4.60.0110.01120.59
8.4.50.0130.00718.55
8.4.40.0160.00417.97
8.4.30.0140.00720.46
8.4.20.0100.00319.68
8.4.10.0080.00417.53
8.3.250.0020.00618.74
8.3.240.0160.00416.70
8.3.230.0140.00516.41
8.3.220.0090.00918.82
8.3.210.0150.00916.74
8.3.200.0030.00516.55
8.3.190.0040.00418.77
8.3.180.0090.01019.01
8.3.170.0120.00318.93
8.3.160.0100.01017.94
8.3.150.0060.01216.54
8.3.140.0140.00416.60
8.3.130.0040.00418.29
8.3.120.0030.00518.93
8.3.110.0030.00616.67
8.3.100.0030.00616.54
8.3.90.0130.00326.77
8.3.80.0090.00016.48
8.3.70.0210.00018.31
8.3.60.0060.00918.31
8.3.50.0150.00418.16
8.3.40.0070.01120.21
8.3.30.0060.00918.48
8.3.20.0080.00024.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.290.0120.00616.61
8.2.280.0100.01018.07
8.2.270.0150.00316.78
8.2.260.0040.00417.25
8.2.250.0080.00016.59
8.2.240.0060.00316.32
8.2.230.0060.00320.94
8.2.220.0030.00624.06
8.2.210.0120.00826.77
8.2.200.0000.00916.75
8.2.190.0160.00016.58
8.2.180.0070.00725.92
8.2.170.0100.01018.84
8.2.160.0100.00322.96
8.2.150.0080.00025.66
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00026.16
8.2.110.0060.00319.39
8.2.100.0120.00017.84
8.2.90.0000.00919.22
8.2.80.0000.00817.97
8.2.70.0060.00317.63
8.2.60.0090.00018.04
8.2.50.0060.00318.07
8.2.40.0050.00318.20
8.2.30.0040.00417.76
8.2.20.0050.00318.26
8.2.10.0060.00318.88
8.2.00.0060.00319.14
8.1.330.0120.00716.13
8.1.320.0150.00516.16
8.1.310.0120.00316.90
8.1.300.0040.00415.84
8.1.290.0060.00318.88
8.1.280.0120.00325.92
8.1.270.0050.00323.99
8.1.260.0030.00526.35
8.1.250.0000.00828.09
8.1.240.0060.00322.20
8.1.230.0080.00419.05
8.1.220.0000.00817.76
8.1.210.0040.00418.77
8.1.200.0070.00317.35
8.1.190.0000.00817.35
8.1.180.0050.00318.10
8.1.170.0000.00818.52
8.1.160.0040.00418.91
8.1.150.0050.00318.72
8.1.140.0070.00017.52
8.1.130.0030.00320.49
8.1.120.0030.00317.48
8.1.110.0030.00517.47
8.1.100.0040.00417.47
8.1.90.0040.00417.45
8.1.80.0040.00417.52
8.1.70.0000.01017.43
8.1.60.0030.00617.68
8.1.50.0000.00817.57
8.1.40.0080.00417.65
8.1.30.0050.00317.81
8.1.20.0000.00817.85
8.1.10.0060.00317.66
8.1.00.0000.00817.57
8.0.300.0030.00518.78
8.0.290.0000.00816.74
8.0.280.0000.00818.39
8.0.270.0080.00016.94
8.0.260.0040.00418.52
8.0.250.0030.00317.02
8.0.240.0050.00316.88
8.0.230.0040.00417.05
8.0.220.0040.00317.03
8.0.210.0040.00317.06
8.0.200.0060.00517.01
8.0.190.0080.00017.09
8.0.180.0070.00017.06
8.0.170.0000.00916.98
8.0.160.0000.00716.99
8.0.150.0030.00617.05
8.0.140.0040.00417.06
8.0.130.0030.00313.48
8.0.120.0050.00216.93
8.0.110.0030.00516.94
8.0.100.0040.00416.84
8.0.90.0040.00316.91
8.0.80.0040.00416.79
8.0.70.0000.00816.93
8.0.60.0050.00416.91
8.0.50.0020.00616.93
8.0.30.0010.00716.79
8.0.20.0040.00416.88
8.0.10.0000.00717.12
8.0.00.0020.00517.13
7.4.330.0030.00315.55
7.4.320.0040.00416.68
7.4.300.0070.00016.67
7.4.290.0000.00716.74
7.4.280.0030.00616.73
7.4.270.0000.00716.78
7.4.260.0030.00313.36
7.4.250.0070.00016.70
7.4.240.0020.00516.63
7.4.230.0050.00216.63
7.4.220.0050.00216.64
7.4.210.0020.00516.63
7.4.200.0060.00116.57
7.4.190.0030.00316.63
7.4.180.0040.00316.63
7.4.160.0030.00316.68
7.4.150.0050.00216.71
7.4.140.0030.00316.63
7.4.130.0030.00416.59
7.4.120.0030.00416.39
7.4.110.0020.00516.67
7.4.100.0000.00716.55
7.4.90.0040.00416.52
7.4.80.0030.00516.47
7.4.70.0040.00416.51
7.4.60.0030.00316.48
7.4.50.0020.00516.46
7.4.40.0050.00216.35
7.4.30.0020.00516.36
7.4.20.0050.00216.65
7.4.10.0020.00516.59
7.4.00.0020.00516.61
7.3.330.0000.00716.28
7.3.320.0030.00313.40
7.3.310.0050.00216.36
7.3.300.0020.00516.28
7.3.290.0040.00316.37
7.3.280.0030.00316.33
7.3.270.0020.00516.32
7.3.260.0000.00716.34
7.3.250.0030.00316.48
7.3.240.0020.00516.49
7.3.230.0000.00716.38
7.3.220.0030.00316.35
7.3.210.0020.00516.38
7.3.200.0020.00516.31
7.3.190.0040.00316.27
7.3.180.0050.00216.36
7.3.170.0030.00516.34
7.3.160.0040.00316.29
7.3.150.0020.00516.26
7.3.140.0030.00416.36
7.3.130.0000.00716.32
7.3.120.0030.00416.41
7.3.110.0020.00516.35
7.3.100.0050.00216.31
7.3.90.0020.00516.57
7.3.80.0030.00416.40
7.3.70.0080.00016.37
7.3.60.0030.00516.53
7.3.50.0060.00416.54
7.3.40.0040.00516.57
7.3.30.0060.00216.48
7.3.20.0050.00218.23
7.3.10.0040.00418.16
7.3.00.0040.00318.22
7.2.340.0040.00416.58
7.2.330.0030.00516.54
7.2.320.0070.00016.56
7.2.310.0040.00416.52
7.2.300.0030.00316.47
7.2.290.0000.00716.58
7.2.280.0050.00316.57
7.2.270.0000.00916.47
7.2.260.0000.00816.53
7.2.250.0030.00316.40
7.2.240.0040.00416.48
7.2.230.0000.00716.52
7.2.220.0030.00316.39
7.2.210.0000.00716.42
7.2.200.0000.00716.68
7.2.190.0050.00216.69
7.2.180.0000.00716.67
7.2.170.0000.00716.57
7.2.160.0050.00216.57
7.2.150.0040.00418.42
7.2.140.0000.00718.40
7.2.130.0040.00418.79
7.2.120.0000.00718.54
7.2.110.0050.00218.56
7.2.100.0040.00418.74
7.2.90.0070.00018.53
7.2.80.0070.00018.55
7.2.70.0000.00718.53
7.2.60.0080.00018.44
7.2.50.0000.00718.54
7.2.40.0000.00818.50
7.2.30.0040.00418.49
7.2.20.0040.00418.71
7.2.10.0030.00518.53
7.2.00.0040.00418.63
7.1.330.0020.00517.55
7.1.320.0030.00317.55
7.1.310.0040.00417.44
7.1.300.0030.00317.71
7.1.290.0040.00417.57
7.1.280.0000.00717.63
7.1.270.0050.00217.64
7.1.260.0030.00317.50
7.1.250.0000.00817.61
7.1.240.0000.00917.43
7.1.230.0040.00417.53
7.1.220.0040.00417.66
7.1.210.0000.00717.57
7.1.200.0040.00417.66
7.1.190.0080.00017.61
7.1.180.0040.00417.55
7.1.170.0080.00017.64
7.1.160.0000.00817.42
7.1.150.0060.00317.48
7.1.140.0030.00317.36
7.1.130.0060.00317.41
7.1.120.0000.00917.58
7.1.110.0030.00617.41
7.1.100.0050.00517.43
7.1.90.0070.00317.53
7.1.80.0040.00417.58
7.1.70.0040.00417.45
7.1.60.0040.00417.50
7.1.50.0000.00717.44
7.1.40.0040.00417.66
7.1.30.0050.00217.50
7.1.20.0000.00617.58
7.1.10.0070.00017.34
7.1.00.0070.00017.52
7.0.330.0070.00017.14
7.0.320.0000.00717.04
7.0.310.0050.00317.13
7.0.300.0080.00017.00
7.0.290.0040.00417.00
7.0.280.0030.00517.04
7.0.270.0000.00616.91
7.0.260.0030.00516.99
7.0.250.0030.00517.30
7.0.240.0000.00717.27
7.0.230.0070.00017.30
7.0.220.0000.00717.35
7.0.210.0030.00317.26
7.0.200.0000.00717.34
7.0.190.0060.00017.27
7.0.180.0000.00617.19
7.0.170.0000.00617.39
7.0.160.0070.00017.07
7.0.150.0030.00317.26
7.0.140.0030.00317.16
7.0.130.0030.00317.18
7.0.120.0000.00717.23
7.0.110.0030.00316.93
7.0.100.0030.00317.05
7.0.90.0080.00016.96
7.0.80.0000.00716.86
7.0.70.0040.00417.07
7.0.60.0060.00017.09
7.0.50.0030.00316.93
7.0.40.0000.00617.12
7.0.30.0000.00817.23
7.0.20.0050.00217.09
7.0.10.0040.00417.12
7.0.00.0040.00417.13
5.6.400.0060.00015.81
5.6.390.0000.00716.00
5.6.380.0060.00016.08
5.6.370.0030.00315.85
5.6.360.0000.00615.85
5.6.350.0070.00015.75
5.6.340.0070.00015.85
5.6.330.0060.00015.87
5.6.320.0060.00015.80
5.6.310.0050.00215.78
5.6.300.0000.00615.96
5.6.290.0030.00316.04
5.6.280.0000.00616.06
5.6.270.0030.00315.85
5.6.260.0030.00315.77
5.6.250.0030.00316.00
5.6.240.0030.00316.04
5.6.230.0000.00615.89
5.6.220.0000.00715.97
5.6.210.0030.00316.20
5.6.200.0060.00016.25
5.6.190.0060.00016.01
5.6.180.0000.00716.18
5.6.170.0000.00616.18
5.6.160.0060.00016.01
5.6.150.0000.00616.05
5.6.140.0030.00315.96
5.6.130.0030.00316.02
5.6.120.0040.00416.24
5.6.110.0030.00315.94
5.6.100.0000.00616.18
5.6.90.0030.00316.03
5.6.80.0000.00615.82
5.6.70.0030.00315.96
5.6.60.0000.00616.09
5.6.50.0050.00216.07
5.6.40.0030.00315.91
5.6.30.0040.00415.93
5.6.20.0000.00615.69
5.6.10.0060.00015.78
5.6.00.0030.00315.77
5.5.380.0000.00716.00
5.5.370.0040.00316.07
5.5.360.0030.00315.96
5.5.350.0030.00315.77
5.5.340.0030.00315.91
5.5.330.0000.00715.99
5.5.320.0030.00315.73
5.5.310.0000.00715.71
5.5.300.0060.00015.83
5.5.290.0000.00615.98
5.5.280.0000.00715.87
5.5.270.0000.00615.93
5.5.260.0070.00015.86
5.5.250.0000.00716.01
5.5.240.0030.00315.89
5.5.230.0030.00315.91
5.5.220.0000.00715.80
5.5.210.0070.00015.88
5.5.200.0000.00715.73
5.5.190.0000.00615.53
5.5.180.0060.00015.63
5.5.170.0030.00315.59
5.5.160.0000.00715.68
5.5.150.0070.00015.68
5.5.140.0000.00615.37
5.5.130.0030.00315.54
5.5.120.0060.00015.55
5.5.110.0000.00715.54
5.5.100.0000.00715.80
5.5.90.0070.00015.93
5.5.80.0040.00416.08
5.5.70.0080.00015.88
5.5.60.0030.00315.82
5.5.50.0070.00015.80
5.5.40.0040.00415.89
5.5.30.0030.00315.95
5.5.20.0030.00315.95
5.5.10.0040.00415.93
5.5.00.0030.00315.91
5.4.450.0000.00512.50
5.4.440.0050.00012.46
5.4.430.0000.00512.64
5.4.420.0000.00512.66
5.4.410.0000.00512.45
5.4.400.0030.00312.52
5.4.390.0000.00512.53
5.4.380.0050.00012.38
5.4.370.0020.00212.39
5.4.360.0050.00012.61
5.4.350.0050.00012.43
5.4.340.0000.00512.60
5.4.330.0000.00512.50
5.4.320.0050.00012.57
5.4.310.0050.00012.57
5.4.300.0050.00012.65
5.4.290.0020.00212.50
5.4.280.0000.00512.44
5.4.270.0000.00512.64
5.4.260.0050.00012.65
5.4.250.0000.00512.68
5.4.240.0000.00512.57
5.4.230.0020.00212.52
5.4.220.0030.00312.41
5.4.210.0000.00512.54
5.4.200.0000.00512.43
5.4.190.0000.00512.43
5.4.180.0030.00312.61
5.4.170.0030.00312.43
5.4.160.0070.00012.56
5.4.150.0070.00012.44
5.4.140.0020.00412.72
5.4.130.0060.00012.76
5.4.120.0000.00512.65
5.4.110.0050.00012.50
5.4.100.0060.00012.71
5.4.90.0000.00512.66
5.4.80.0000.00612.56
5.4.70.0050.00012.63
5.4.60.0000.00512.71
5.4.50.0030.00312.46
5.4.40.0000.00512.45
5.4.30.0020.00212.63
5.4.20.0050.00012.73
5.4.10.0000.00512.72
5.4.00.0020.00212.47
5.3.290.0000.00513.41
5.3.280.0000.00513.23
5.3.270.0000.00513.11
5.3.260.0060.00013.36
5.3.250.0050.00013.38
5.3.240.0030.00313.29
5.3.230.0050.00013.03
5.3.220.0000.00612.93
5.3.210.0000.00612.98
5.3.200.0030.00312.91
5.3.190.0050.00012.85
5.3.180.0000.00513.18
5.3.170.0050.00013.07
5.3.160.0020.00212.99
5.3.150.0000.00613.05
5.3.140.0050.00012.91
5.3.130.0000.00613.21
5.3.120.0030.00312.89
5.3.110.0030.00313.32
5.3.100.0000.00613.25
5.3.90.0020.00513.15
5.3.80.0040.00413.14
5.3.70.0030.00313.04
5.3.60.0020.00513.08
5.3.50.0000.00613.02
5.3.40.0040.00213.29
5.3.30.0060.00013.14
5.3.20.0060.00012.99
5.3.10.0030.00313.09
5.3.00.0000.00613.00
5.2.170.0000.00612.29
5.2.160.0030.00312.18
5.2.150.0040.00212.22
5.2.140.0050.00012.17
5.2.130.0030.00311.86
5.2.120.0000.00512.32
5.2.110.0000.00512.20
5.2.100.0050.00012.22
5.2.90.0030.00311.93
5.2.80.0050.00012.00
5.2.70.0060.00011.85
5.2.60.0000.00511.92
5.2.50.0030.00311.90
5.2.40.0000.00512.02
5.2.30.0000.00511.96
5.2.20.0020.00412.11
5.2.10.0050.00011.70
5.2.00.0000.00511.68
5.1.60.0030.00311.32
5.1.50.0000.00610.84
5.1.40.0000.00510.99
5.1.30.0000.00511.57
5.1.20.0050.00011.27
5.1.10.0020.00211.24
5.1.00.0000.00610.95
5.0.50.0040.00010.50
5.0.40.0040.00010.50
5.0.30.0020.00210.50
5.0.20.0000.00410.50
5.0.10.0000.00410.50
5.0.00.0000.00410.50
4.4.90.0000.00310.50
4.4.80.0000.00310.50
4.4.70.0000.00210.50
4.4.60.0030.00010.50
4.4.50.0000.00310.50
4.4.40.0000.00310.50
4.4.30.0030.00010.50
4.4.20.0030.00010.50
4.4.10.0000.00310.50
4.4.00.0030.00010.50
4.3.110.0020.00010.50
4.3.100.0000.00210.50
4.3.90.0000.00310.50
4.3.80.0000.00310.50
4.3.70.0020.00010.50
4.3.60.0020.00010.50
4.3.50.0000.00210.50
4.3.40.0000.00210.50
4.3.30.0030.00010.50
4.3.20.0020.00210.50
4.3.10.0000.00310.50
4.3.00.0000.00210.50

preferences:
32.31 ms | 403 KiB | 5 Q