3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "blah 2015 yar"; $pos = strpos($string, "20"); $year = substr($string, $pos, 4); $end_year = "12/31/" . $year; $end_time = new DateTime($end_year); print_r($end_time); $start_time = new DateTime(); print_r($start_time); $date1 = $end_time->format('Y-m-d'); echo $date1; $date2 = $start_time->format('Y-m-d'); ?>

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)
8.3.60.0140.00318.55
8.3.50.0100.01021.95
8.3.40.0120.00318.83
8.3.30.0070.00719.13
8.3.20.0040.00420.30
8.3.10.0080.00020.78
8.3.00.0080.00019.79
8.2.180.0140.00016.75
8.2.170.0110.00422.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00422.12
8.2.110.0090.00020.35
8.2.100.0110.00018.09
8.2.90.0040.00419.19
8.2.80.0030.00517.97
8.2.70.0050.00317.75
8.2.60.0000.00817.80
8.2.50.0100.00018.07
8.2.40.0000.00818.28
8.2.30.0000.00721.14
8.2.20.0040.00417.84
8.2.10.0050.00318.21
8.2.00.0000.00717.86
8.1.280.0150.00025.92
8.1.270.0080.00022.18
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0080.00023.79
8.1.230.0090.00319.15
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0030.00617.60
8.1.190.0050.00317.36
8.1.180.0000.00818.10
8.1.170.0040.00418.62
8.1.160.0070.00021.88
8.1.150.0020.00518.95
8.1.140.0030.00617.56
8.1.130.0030.00317.99
8.1.120.0000.00817.62
8.1.110.0050.00317.63
8.1.100.0040.00417.65
8.1.90.0070.00417.62
8.1.80.0080.00017.48
8.1.70.0000.00817.54
8.1.60.0060.00317.64
8.1.50.0000.00817.59
8.1.40.0040.00417.59
8.1.30.0000.00817.78
8.1.20.0000.00817.72
8.1.10.0040.00417.70
8.1.00.0040.00417.71
8.0.300.0050.00318.77
8.0.290.0040.00416.88
8.0.280.0000.00718.53
8.0.270.0030.00317.26
8.0.260.0030.00317.37
8.0.250.0030.00317.05
8.0.240.0000.00817.14
8.0.230.0070.00017.14
8.0.220.0030.00317.01
8.0.210.0000.00717.09
8.0.200.0070.00017.20
8.0.190.0040.00417.15
8.0.180.0040.00417.15
8.0.170.0000.00917.10
8.0.160.0030.00517.07
8.0.150.0040.00417.08
8.0.140.0000.00717.09
8.0.130.0030.00313.39
8.0.120.0050.00316.92
8.0.110.0040.00417.08
8.0.100.0050.00317.02
8.0.90.0030.00617.10
8.0.80.0120.00317.06
8.0.70.0040.00416.97
8.0.60.0040.00416.82
8.0.50.0050.00217.07
8.0.30.0130.00617.33
8.0.20.0100.01017.45
8.0.10.0000.00717.22
8.0.00.0120.00916.91
7.4.330.0000.00515.05
7.4.320.0030.00316.58
7.4.300.0030.00316.49
7.4.290.0070.00016.68
7.4.280.0030.00616.59
7.4.270.0000.00716.56
7.4.260.0050.00216.53
7.4.250.0040.00416.65
7.4.240.0050.00216.61
7.4.230.0000.00716.70
7.4.220.0110.00716.68
7.4.210.0090.00616.63
7.4.200.0000.00716.79
7.4.160.0110.01416.68
7.4.150.0100.00717.40
7.4.140.0110.00717.86
7.4.130.0060.01216.73
7.4.120.0150.00216.69
7.4.110.0130.00316.69
7.4.100.0090.00916.67
7.4.90.0090.00916.68
7.4.80.0050.01416.38
7.4.70.0130.00316.60
7.4.60.0030.01216.61
7.4.50.0030.00616.75
7.4.40.0090.00916.62
7.4.30.0030.01416.53
7.4.00.0060.00914.62
7.3.330.0050.00013.32
7.3.320.0050.00213.20
7.3.310.0040.00416.39
7.3.300.0030.00316.30
7.3.290.0060.00916.29
7.3.280.0080.00716.35
7.3.270.0040.01417.40
7.3.260.0070.01016.57
7.3.250.0120.00616.41
7.3.240.0100.00716.55
7.3.230.0030.01416.40
7.3.210.0100.00716.60
7.3.200.0090.00919.39
7.3.190.0110.00716.54
7.3.180.0100.00716.32
7.3.170.0080.00816.57
7.3.160.0100.00616.46
7.3.00.0090.00616.59
7.2.330.0180.00716.93
7.2.320.0340.02716.57
7.2.310.0030.01916.77
7.2.300.0140.00916.91
7.2.290.0070.01017.05
7.2.130.0070.01017.07
7.2.120.0000.01416.79
7.2.110.0120.00316.82
7.2.100.0030.01317.14
7.2.90.0000.01416.99
7.2.80.0040.01116.98
7.2.70.0130.00717.07
7.2.60.0080.00716.91
7.2.50.0090.00916.82
7.2.40.0070.01317.10
7.2.30.0040.01217.13
7.2.20.0030.00917.18
7.2.10.0030.01716.96
7.2.00.0080.00818.32
7.1.250.0070.01016.04
7.1.240.0030.01716.06
7.1.230.0000.01815.52
7.1.220.0100.00515.73
7.1.210.0110.00815.61
7.1.200.0090.00415.77
7.1.190.0060.00915.64
7.1.180.0030.01915.91
7.1.170.0100.01015.74
7.1.160.0130.00316.00
7.1.150.0060.00616.07
7.1.140.0040.00515.73
7.1.130.0140.00315.88
7.1.120.0070.01016.04
7.1.110.0090.00915.83
7.1.100.0060.00616.98
7.1.90.0060.00915.97
7.1.80.0070.01415.82
7.1.70.0070.00516.59
7.1.60.0100.01117.68
7.1.50.0090.00716.55
7.1.40.0060.01215.71
7.1.30.0100.00716.11
7.1.20.0110.00715.59
7.1.10.0050.01115.96
7.1.00.0000.04719.06
7.0.330.0120.00315.42
7.0.320.0080.01115.43
7.0.310.0090.00615.43
7.0.300.0030.01415.34
7.0.290.0030.01015.42
7.0.280.0090.00915.32
7.0.270.0100.00715.33
7.0.260.0060.01015.50
7.0.250.0090.00915.58
7.0.240.0120.00315.47
7.0.230.0150.00015.44
7.0.220.0090.01315.20
7.0.210.0160.00515.43
7.0.200.0120.00116.23
7.0.190.0120.00415.41
7.0.180.0100.01015.42
7.0.170.0050.00515.10
7.0.160.0100.00715.29
7.0.150.0080.01515.28
7.0.140.0080.03818.75
7.0.130.0060.01315.13
7.0.120.0150.00315.60
7.0.110.0140.00015.45
7.0.100.0110.00415.50
7.0.90.0200.00015.44
7.0.80.0140.00615.42
7.0.70.0130.00915.46
7.0.60.0100.03017.68
7.0.50.0050.03516.73
7.0.40.0070.02216.79
7.0.30.0170.02516.77
7.0.20.0100.02416.91
7.0.10.0100.04416.80
7.0.00.0080.04016.78
5.6.380.0030.00714.61
5.6.370.0080.00814.27
5.6.360.0100.00714.10
5.6.350.0030.01014.64
5.6.340.0030.00814.56
5.6.330.0120.00314.54
5.6.320.0110.00414.30
5.6.310.0120.00614.57
5.6.300.0110.00614.36
5.6.290.0110.00314.24
5.6.280.0040.04117.69
5.6.270.0070.00314.18
5.6.260.0080.00514.16
5.6.250.0070.01014.42
5.6.240.0150.00414.40
5.6.230.0090.00614.42
5.6.220.0030.01014.22
5.6.210.0030.04417.39
5.6.200.0030.04916.40
5.6.190.0080.04217.36
5.6.180.0230.03817.17
5.6.170.0220.02217.35
5.6.160.0120.03917.31
5.6.150.0050.02316.29
5.6.140.0080.03216.28
5.6.130.0100.04216.19
5.6.120.0090.04717.49
5.6.110.0070.02617.60
5.6.100.0100.03517.80
5.6.90.0030.05417.66
5.6.80.0060.04417.50
5.6.70.0100.01014.27
5.6.60.0130.00414.22
5.6.50.0030.01014.59
5.6.40.0060.00914.35
5.6.30.0090.00914.17
5.6.20.0100.00514.40
5.6.10.0060.01114.34
5.6.00.0100.01014.38
5.5.380.0030.00711.18
5.5.370.0000.01011.25
5.5.360.0000.00711.18
5.5.350.0080.04315.87
5.5.340.0070.04214.61
5.5.330.0080.04115.93
5.5.320.0220.03615.65
5.5.310.0130.02015.67
5.5.300.0020.03014.56
5.5.290.0030.04014.52
5.5.280.0060.04616.02
5.5.270.0050.03115.96
5.5.260.0070.04215.98
5.5.250.0070.02115.88
5.5.240.0130.03615.65
5.5.230.0040.00811.18
5.5.220.0070.00411.18
5.5.210.0050.00411.18
5.5.200.0000.00711.18
5.5.190.0040.00411.18
5.5.180.0000.01311.18
5.5.170.0000.01011.18
5.5.160.0040.00411.18
5.5.150.0080.00011.18
5.5.140.0030.00711.32
5.5.130.0040.00411.18
5.5.120.0030.00611.18
5.5.110.0060.00611.29
5.5.100.0030.00311.18
5.5.90.0030.00611.18
5.5.80.0030.00311.18
5.5.70.0020.00511.18
5.5.60.0030.00711.18
5.5.50.0070.00411.18
5.5.40.0080.00311.18
5.5.30.0030.00811.18
5.5.20.0100.00311.18
5.5.10.0000.00811.18
5.5.00.0000.01211.18
5.4.450.0130.02515.33
5.4.440.0080.03015.40
5.4.430.0090.03015.34
5.4.420.0030.03515.34
5.4.410.0130.02515.34
5.4.400.0130.02815.17
5.4.390.0260.02815.02
5.4.380.0150.03414.93
5.4.370.0170.03114.86
5.4.360.0170.02714.90
5.4.350.0230.03814.84
5.4.340.0270.04114.95
5.4.330.0030.00711.18
5.4.320.0040.02511.81
5.4.310.0040.02411.81
5.4.300.0080.01911.83
5.4.290.0040.02111.81
5.4.280.0050.02211.76
5.4.270.0020.02311.76
5.4.260.0070.01911.76
5.4.250.0030.02411.76
5.4.240.0040.02511.76
5.4.230.0040.02311.86
5.4.220.0050.02111.76
5.4.210.0100.01711.76
5.4.200.0050.02311.77
5.4.190.0030.02311.76
5.4.180.0060.02211.76
5.4.170.0050.02111.76
5.4.160.0070.01911.76
5.4.150.0060.02011.76
5.4.140.0020.02911.63
5.4.130.0070.02311.59
5.4.120.0050.02311.57
5.4.110.0030.02411.57
5.4.100.0090.01911.57
5.4.90.0050.02111.57
5.4.80.0040.02411.57
5.4.70.0060.02011.57
5.4.60.0070.01811.57
5.4.50.0090.01911.57
5.4.40.0050.01911.56
5.4.30.0040.02011.56
5.4.20.0050.02011.56
5.4.10.0040.02311.56
5.4.00.0060.02011.31
5.3.290.0090.02011.99
5.3.280.0070.01911.94
5.3.270.0090.01911.95
5.3.260.0080.02111.95
5.3.250.0070.02111.95
5.3.240.0050.02511.95
5.3.230.0030.02411.94
5.3.220.0070.02111.93
5.3.210.0080.02011.93
5.3.200.0060.02111.93
5.3.190.0070.02411.92
5.3.180.0050.02211.93
5.3.170.0060.02011.92
5.3.160.0050.02211.93
5.3.150.0040.02511.92
5.3.140.0050.02311.92
5.3.130.0020.02511.92
5.3.120.0030.02611.92
5.3.110.0070.02011.92
5.3.100.0030.02611.65
5.3.90.0030.02011.63
5.3.80.0060.01911.63
5.3.70.0040.02211.63
5.3.60.0040.02211.62
5.3.50.0040.02111.59
5.3.40.0050.02211.59
5.3.30.0070.02211.56
5.3.20.0050.02111.45
5.3.10.0040.02011.43
5.3.00.0080.01811.43
5.2.170.0050.01810.18
5.2.160.0070.02110.18
5.2.150.0050.01910.18
5.2.140.0020.02110.18
5.2.130.0020.02110.16
5.2.120.0040.01510.16
5.2.110.0040.01710.16
5.2.100.0020.01910.16
5.2.90.0050.01510.16
5.2.80.0040.02010.16
5.2.70.0040.01810.16
5.2.60.0040.01610.13
5.2.50.0050.02010.12
5.2.40.0030.01810.11
5.2.30.0060.01510.09
5.2.20.0020.02010.09
5.2.10.0040.01710.05
5.2.00.0050.0199.98
5.1.60.0050.0129.62
5.1.50.0050.0149.62
5.1.40.0030.0149.61
5.1.30.0040.0169.79
5.1.20.0020.0169.79
5.1.10.0020.0179.66
5.1.00.0020.0179.66
5.0.50.0020.0158.90
5.0.40.0040.0148.83
5.0.30.0020.0218.74
5.0.20.0050.0108.72
5.0.10.0030.0128.71
5.0.00.0030.0178.71
4.4.90.0020.0117.98
4.4.80.0060.0097.96
4.4.70.0010.0117.96
4.4.60.0040.0137.96
4.4.50.0020.0127.97
4.4.40.0010.0187.94
4.4.30.0020.0127.97
4.4.20.0020.0108.01
4.4.10.0020.0088.01
4.4.00.0020.0147.97
4.3.110.0020.0137.92
4.3.100.0020.0097.92
4.3.90.0020.0107.90
4.3.80.0020.0147.88
4.3.70.0020.0147.90
4.3.60.0020.0097.90
4.3.50.0020.0107.90
4.3.40.0010.0177.86
4.3.30.0020.0137.23
4.3.20.0010.0137.22
4.3.10.0010.0117.20
4.3.00.0010.0159.36

preferences:
65.38 ms | 401 KiB | 5 Q