3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "blah 2015 yar"; $pos = strpos($string, "20"); $year = substr($string, $pos, 4); echo $year . "<br />\n"; $end_year = "12/31/" . $year; $end_time = new DateTime($end_year); $start_time = new DateTime(); $diff = $end_time ->diff($start_time); var_dump($diff); ?>

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)
8.0.110.0040.00416.99
8.0.100.0040.00417.04
8.0.90.0000.00716.88
8.0.80.0030.01617.04
8.0.70.0040.00416.98
8.0.60.0040.00417.02
8.0.50.0000.00717.04
8.0.30.0120.00717.16
8.0.20.0130.00517.41
8.0.10.0040.00417.03
8.0.00.0090.01316.94
7.4.240.0030.00516.65
7.4.230.0000.00716.50
7.4.220.0070.01416.59
7.4.210.0030.01716.54
7.4.200.0030.00316.56
7.4.160.0040.01216.56
7.4.150.0180.00317.40
7.4.140.0060.01117.86
7.4.130.0110.00816.56
7.4.120.0130.00616.65
7.4.110.0060.01216.69
7.4.100.0030.01416.54
7.4.90.0120.00616.54
7.4.80.0070.01016.71
7.4.70.0070.01016.46
7.4.60.0060.01016.59
7.4.50.0040.00416.41
7.4.40.0120.01116.59
7.4.30.0080.00816.66
7.4.10.0070.01015.23
7.4.00.0100.00715.17
7.3.300.0030.00316.38
7.3.290.0050.01116.37
7.3.280.0110.00616.30
7.3.270.0190.00017.40
7.3.260.0030.01416.33
7.3.250.0150.00716.48
7.3.240.0080.00816.55
7.3.230.0090.01216.43
7.3.210.0070.01116.48
7.3.200.0050.01419.39
7.3.190.0150.00416.49
7.3.180.0070.01016.61
7.3.170.0090.00916.65
7.3.160.0090.00916.72
7.3.130.0060.01214.84
7.3.120.0150.00315.06
7.3.110.0130.00715.00
7.3.100.0070.00714.90
7.3.90.0100.00615.04
7.3.80.0070.01014.90
7.3.70.0110.00415.07
7.3.60.0060.01014.92
7.3.50.0040.00715.02
7.3.40.0030.01414.93
7.3.30.0030.00614.96
7.3.20.0040.01516.59
7.3.10.0040.00816.77
7.3.00.0090.00416.68
7.2.330.0110.00716.63
7.2.320.0130.00616.81
7.2.310.0060.01216.69
7.2.300.0030.01316.90
7.2.290.0150.00316.83
7.2.260.0070.01015.38
7.2.250.0080.00814.84
7.2.240.0100.01015.48
7.2.230.0090.00914.87
7.2.220.0060.00915.26
7.2.210.0060.00715.21
7.2.200.0100.00315.25
7.2.190.0070.01015.33
7.2.180.0070.00715.25
7.2.170.0070.01015.10
7.2.160.0030.00615.26
7.2.150.0130.00716.85
7.2.140.0060.00917.07
7.2.130.0070.00716.98
7.2.120.0080.00416.86
7.2.110.0060.00816.92
7.2.100.0030.01116.92
7.2.90.0100.00416.98
7.2.80.0070.00916.83
7.2.70.0070.00716.93
7.2.60.0080.00616.87
7.2.50.0090.00817.08
7.2.40.0080.00516.96
7.2.30.0100.00517.09
7.2.20.0100.00417.12
7.2.10.0070.00717.08
7.2.00.0040.01117.73
7.1.330.0060.01115.96
7.1.320.0060.00316.03
7.1.310.0060.00916.05
7.1.300.0100.00015.93
7.1.290.0070.00715.81
7.1.280.0110.00315.75
7.1.270.0100.00415.95
7.1.260.0030.01215.78
7.1.250.0040.00915.86
7.1.240.0090.00715.96
7.1.230.0040.00715.86
7.1.220.0020.01115.94
7.1.210.0040.00715.87
7.1.200.0020.01215.86
7.1.190.0060.00715.92
7.1.180.0050.00715.67
7.1.170.0070.00615.78
7.1.160.0060.00815.92
7.1.150.0050.00815.92
7.1.140.0030.01315.69
7.1.130.0050.00715.91
7.1.120.0020.01216.03
7.1.110.0080.00715.92
7.1.100.0050.00716.59
7.1.90.0080.00515.78
7.1.80.0110.00315.81
7.1.70.0070.00616.38
7.1.60.0080.00917.05
7.1.50.0030.01416.33
7.1.40.0080.00515.82
7.1.30.0060.00815.90
7.1.20.0050.01115.87
7.1.10.0040.00815.90
7.1.00.0070.02818.12
7.0.330.0030.00815.36
7.0.320.0070.00615.45
7.0.310.0050.01215.72
7.0.300.0050.01015.45
7.0.290.0100.00515.46
7.0.280.0020.01315.31
7.0.270.0000.01115.50
7.0.260.0060.00615.30
7.0.250.0070.00715.56
7.0.240.0100.00315.48
7.0.230.0030.00715.43
7.0.220.0050.00515.41
7.0.210.0050.00715.63
7.0.200.0060.00516.04
7.0.190.0020.01015.37
7.0.180.0030.00615.54
7.0.170.0050.00515.47
7.0.160.0040.01115.62
7.0.150.0070.00715.47
7.0.140.0030.02917.77
7.0.130.0040.00915.62
7.0.120.0060.00515.51
7.0.110.0050.00815.63
7.0.100.0040.01215.44
7.0.90.0080.00715.39
7.0.80.0020.01215.37
7.0.70.1680.01716.97
7.0.60.0100.03016.99
7.0.50.0090.02216.46
7.0.40.0080.02715.67
7.0.30.0090.03115.84
7.0.20.0120.03415.84
7.0.10.0130.02815.76
7.0.00.0040.01915.75
5.6.400.0040.00814.39
5.6.390.0060.01014.27
5.6.380.0050.00914.39
5.6.370.0070.01014.60
5.6.360.0060.00714.40
5.6.350.0040.00914.46
5.6.340.0070.00914.39
5.6.330.0070.00314.53
5.6.320.0050.00714.52
5.6.310.0090.00314.47
5.6.300.0080.00614.47
5.6.290.0060.00614.33
5.6.280.0090.02416.68
5.6.270.0070.00514.51
5.6.260.0020.01414.51
5.6.250.0070.00714.39
5.6.240.0050.00914.43
5.6.230.0020.01314.38
5.6.220.0020.01014.39
5.6.210.0070.03216.35
5.6.200.0080.03215.72
5.6.190.0050.01816.47
5.6.180.0010.03816.40
5.6.170.0130.02116.46
5.6.160.0090.02916.48
5.6.150.0030.02015.66
5.6.140.0080.02715.50
5.6.130.0050.03115.68
5.6.120.0060.03116.58
5.6.110.0090.03016.55
5.6.100.0080.02316.68
5.6.90.0050.02616.53
5.6.80.0060.01916.33
5.6.70.0050.03116.36
5.6.60.0110.00514.42
5.6.50.0090.00614.31
5.6.40.0040.00914.49
5.6.30.0000.01014.19
5.6.20.0050.00814.46
5.6.10.0070.00214.46
5.6.00.0030.01114.39
5.5.380.0030.01112.79
5.5.370.0060.00312.90
5.5.360.0040.00812.73
5.5.350.0040.03315.32
5.5.340.0060.02814.46
5.5.330.0090.01515.14
5.5.320.0030.01915.39
5.5.310.0120.02315.25
5.5.300.0050.02314.52
5.5.290.0080.02114.55
5.5.280.0030.03615.44
5.5.270.0040.01915.50
5.5.260.0110.01215.49
5.5.250.0070.02815.26
5.5.240.0040.03315.18
5.5.230.0050.00712.74
5.5.220.0030.00812.75
5.5.210.0050.00912.86
5.5.200.0020.01212.59
5.5.190.0020.01012.74
5.5.180.0030.00612.76
5.5.170.0070.00512.72
5.5.160.0060.00812.77
5.5.150.0050.00712.63
5.5.140.0070.00412.73
5.5.130.0050.00712.68
5.5.120.0070.00312.72
5.5.110.0060.00312.57
5.5.100.0040.00812.71
5.5.90.0020.00812.83
5.5.80.0110.00312.85
5.5.70.0040.00912.73
5.5.60.0090.00312.74
5.5.50.0030.00612.65
5.5.40.0080.00812.70
5.5.30.0050.00712.84
5.5.20.0050.00512.78
5.5.10.0100.00512.79
5.5.00.0060.00612.62
5.4.450.0100.02113.85
5.4.440.0080.02013.90
5.4.430.0090.02113.86
5.4.420.0110.01813.91
5.4.410.0090.02113.83
5.4.400.0080.02213.69
5.4.390.0050.02613.78
5.4.380.0170.02113.57
5.4.370.0130.02613.65
5.4.360.0140.02713.55
5.4.350.0160.02713.60
5.4.340.0090.02913.52
5.4.330.0030.00811.04
5.4.320.0030.01711.47
5.4.310.0070.01611.48
5.4.300.0030.01811.56
5.4.290.0080.01511.60
5.4.280.0070.01411.63
5.4.270.0040.01611.56
5.4.260.0040.01811.53
5.4.250.0070.01711.46
5.4.240.0050.01911.58
5.4.230.0040.01811.37
5.4.220.0050.01511.46
5.4.210.0070.01411.60
5.4.200.0060.01611.54
5.4.190.0040.01511.58
5.4.180.0030.02111.56
5.4.170.0030.01711.47
5.4.160.0030.01811.58
5.4.150.0060.01511.48
5.4.140.0040.01811.33
5.4.130.0070.01511.44
5.4.120.0030.01911.42
5.4.110.0050.02111.39
5.4.100.0080.01511.39
5.4.90.0040.01711.43
5.4.80.0020.01811.41
5.4.70.0060.01311.37
5.4.60.0040.01711.43
5.4.50.0030.01711.44
5.4.40.0060.01611.35
5.4.30.0070.01511.32
5.4.20.0050.01411.38
5.4.10.0020.01911.41
5.4.00.0040.01811.20
5.3.290.0050.02311.99
5.3.280.0070.02011.94
5.3.270.0090.02011.95
5.3.260.0040.02611.95
5.3.250.0050.02211.95
5.3.240.0080.01811.95
5.3.230.0060.02111.94
5.3.220.0050.02211.93
5.3.210.0040.02111.93
5.3.200.0060.02111.93
5.3.190.0070.01911.93
5.3.180.0060.02011.92
5.3.170.0070.02011.92
5.3.160.0090.02211.93
5.3.150.0020.02411.92
5.3.140.0060.02011.92
5.3.130.0050.02111.92
5.3.120.0050.02211.92
5.3.110.0090.01911.91
5.3.100.0080.02211.65
5.3.90.0060.02211.63
5.3.80.0070.02211.63
5.3.70.0030.02111.63
5.3.60.0050.02211.62
5.3.50.0060.01911.59
5.3.40.0050.02111.59
5.3.30.0020.02311.56
5.3.20.0010.02411.45
5.3.10.0050.02011.43
5.3.00.0070.01911.43
5.2.170.0060.01710.18
5.2.160.0030.01810.18
5.2.150.0060.01610.18
5.2.140.0070.01510.18
5.2.130.0030.01610.16
5.2.120.0030.01810.16
5.2.110.0030.01810.16
5.2.100.0040.01610.16
5.2.90.0050.01610.16
5.2.80.0020.01810.16
5.2.70.0030.01810.16
5.2.60.0030.01610.13
5.2.50.0060.01510.12
5.2.40.0030.01610.11
5.2.30.0050.01510.10
5.2.20.0030.01710.09
5.2.10.0050.01610.05
5.2.00.0020.0189.98
5.1.60.0040.0139.62
5.1.50.0020.0169.62
5.1.40.0040.0149.61
5.1.30.0020.0189.79
5.1.20.0020.0169.80
5.1.10.0050.0149.66
5.1.00.0060.0129.66
5.0.50.0040.0118.90
5.0.40.0050.0118.83
5.0.30.0040.0168.73
5.0.20.0030.0108.72
5.0.10.0020.0118.71
5.0.00.0030.0168.71
4.4.90.0040.0127.98
4.4.80.0040.0137.96
4.4.70.0010.0137.96
4.4.60.0020.0107.96
4.4.50.0010.0117.97
4.4.40.0030.0137.94
4.4.30.0040.0107.97
4.4.20.0040.0108.01
4.4.10.0030.0088.01
4.4.00.0020.0177.97
4.3.110.0020.0117.92
4.3.100.0010.0117.92
4.3.90.0030.0097.90
4.3.80.0020.0157.88
4.3.70.0020.0107.90
4.3.60.0020.0137.90
4.3.50.0020.0127.90
4.3.40.0020.0147.86
4.3.30.0020.0097.23
4.3.20.0010.0137.22
4.3.10.0020.0107.20
4.3.00.0020.0149.35

preferences:
37.31 ms | 400 KiB | 5 Q