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); echo $end_time . "\n"; $start_time = new DateTime(); echo $start_time . "start time \n"; $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)
8.3.60.0040.01118.43
8.3.50.0080.01321.96
8.3.40.0090.00618.79
8.3.30.0150.00418.96
8.3.20.0050.00320.34
8.3.10.0080.00020.71
8.3.00.0060.00318.03
8.2.180.0130.00717.13
8.2.170.0150.00622.96
8.2.160.0080.00620.41
8.2.150.0090.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00022.23
8.2.110.0100.01022.05
8.2.100.0090.00618.03
8.2.90.0000.00918.15
8.2.80.0040.00417.97
8.2.70.0060.00317.75
8.2.60.0040.00417.80
8.2.50.0050.00518.07
8.2.40.0030.00518.33
8.2.30.0000.00719.40
8.2.20.0000.00818.02
8.2.10.0000.00918.27
8.2.00.0080.00017.97
8.1.280.0150.00625.92
8.1.270.0000.00823.96
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.68
8.1.230.0130.00022.63
8.1.220.0040.00417.79
8.1.210.0060.00318.97
8.1.200.0060.00317.60
8.1.190.0080.00017.48
8.1.180.0040.00418.10
8.1.170.0030.00618.62
8.1.160.0000.00821.89
8.1.150.0040.00418.96
8.1.140.0040.00417.59
8.1.130.0000.00717.94
8.1.120.0070.00017.63
8.1.110.0000.00817.50
8.1.100.0040.00417.64
8.1.90.0000.00717.60
8.1.80.0000.00717.52
8.1.70.0070.00017.56
8.1.60.0000.00817.57
8.1.50.0030.00517.65
8.1.40.0050.00317.68
8.1.30.0030.00617.69
8.1.20.0040.00417.71
8.1.10.0000.00717.60
8.1.00.0080.00017.75
8.0.300.0040.00420.04
8.0.290.0070.00017.00
8.0.280.0030.00318.45
8.0.270.0040.00417.43
8.0.260.0000.00617.33
8.0.250.0000.00717.11
8.0.240.0040.00417.20
8.0.230.0070.00017.11
8.0.220.0040.00417.16
8.0.210.0030.00317.13
8.0.200.0000.00717.18
8.0.190.0080.00017.12
8.0.180.0030.00517.25
8.0.170.0000.00817.18
8.0.160.0040.00417.17
8.0.150.0040.00417.11
8.0.140.0040.00416.98
8.0.130.0000.00513.56
8.0.120.0000.00717.08
8.0.110.0000.00817.14
8.0.100.0000.00717.17
8.0.90.0000.00717.02
8.0.80.0090.00617.11
8.0.70.0040.00417.10
8.0.60.0050.00217.18
8.0.50.0000.00817.20
8.0.30.0140.00817.35
8.0.20.0100.01017.40
8.0.10.0040.00417.22
8.0.00.0060.01217.02
7.4.330.0050.00015.14
7.4.320.0030.00316.73
7.4.300.0000.00616.63
7.4.290.0080.00016.77
7.4.280.0110.00016.66
7.4.270.0040.00316.67
7.4.260.0000.00716.56
7.4.250.0040.00416.75
7.4.240.0040.00316.66
7.4.230.0000.00716.86
7.4.220.0120.00616.69
7.4.210.0070.00716.69
7.4.200.0000.00716.70
7.4.160.0080.00816.74
7.4.150.0070.01117.40
7.4.140.0060.01117.86
7.4.130.0100.00616.70
7.4.120.0080.00916.72
7.4.110.0120.00616.83
7.4.100.0030.01516.69
7.4.90.0150.00316.90
7.4.80.0150.00616.78
7.4.70.0030.01416.76
7.4.60.0090.00616.86
7.4.50.0040.00416.34
7.4.40.0150.00316.70
7.4.30.0070.01016.75
7.4.00.0070.01014.82
7.3.330.0050.00013.19
7.3.320.0000.00713.36
7.3.310.0040.00416.54
7.3.300.0000.00616.30
7.3.290.0070.00716.43
7.3.280.0090.00916.43
7.3.270.0080.00917.40
7.3.260.0070.01016.55
7.3.250.0100.00716.43
7.3.240.0080.00816.61
7.3.230.0090.01316.39
7.3.210.0000.01716.59
7.3.200.0070.01019.39
7.3.190.0140.00716.40
7.3.180.0050.01016.66
7.3.170.0110.00616.41
7.3.160.0060.00916.52
7.3.120.0090.00614.92
7.3.110.0090.00914.73
7.3.100.0030.01214.80
7.3.90.0100.00315.03
7.3.80.0090.00614.93
7.3.70.0060.00314.77
7.3.60.0070.00414.65
7.3.50.0000.01214.82
7.3.40.0030.00814.56
7.3.30.0070.00314.79
7.3.20.0070.00716.60
7.3.10.0070.00816.70
7.3.00.0090.00516.63
7.2.330.0160.00616.61
7.2.320.0100.00616.68
7.2.310.0060.01016.88
7.2.300.0070.01016.74
7.2.290.0060.01616.91
7.2.240.0030.01015.46
7.2.230.0040.01114.91
7.2.220.0070.00715.16
7.2.210.0000.01515.11
7.2.200.0080.00814.96
7.2.190.0080.00415.21
7.2.180.0040.00814.96
7.2.170.0060.00615.14
7.2.160.0080.00815.17
7.2.150.0000.00916.84
7.2.140.0100.00617.02
7.2.130.0100.00316.97
7.2.120.0080.00817.12
7.2.110.0080.00817.12
7.2.100.0030.01117.00
7.2.90.0060.00816.94
7.2.80.0080.00816.87
7.2.70.0070.00717.13
7.2.60.0060.01016.96
7.2.50.0090.00417.21
7.2.40.0070.00717.21
7.2.30.0070.00917.12
7.2.20.0080.00717.06
7.2.10.0120.00217.04
7.2.00.0080.00917.81
7.1.330.0070.01116.06
7.1.320.0030.00916.03
7.1.310.0000.01515.79
7.1.300.0030.00615.83
7.1.290.0060.00315.80
7.1.280.0090.00616.02
7.1.270.0120.00615.94
7.1.260.0050.00815.73
7.1.250.0050.01115.80
7.1.200.0220.00615.84
7.1.100.0080.00418.00
7.1.70.0000.01117.45
7.1.60.0140.01019.32
7.1.50.0060.01517.26
7.1.00.0070.07322.54
7.0.200.0030.00716.76
7.0.140.0030.07322.09
7.0.60.0100.07719.95
7.0.50.0070.07717.86
7.0.40.0070.08720.21
7.0.30.0570.06320.30
7.0.20.0330.04720.11
7.0.10.0270.06719.99
7.0.00.0130.07720.01
5.6.280.0030.07321.09
5.6.210.0030.04320.46
5.6.200.0070.04318.18
5.6.190.0100.05720.35
5.6.180.0430.04020.39
5.6.170.0330.04020.52
5.6.160.0170.07320.70
5.6.150.0070.07318.12
5.6.140.0030.06018.16
5.6.130.0030.05318.10
5.6.120.0100.06720.80
5.6.110.0000.05321.08
5.6.100.0100.07320.93
5.6.90.0070.04321.08
5.6.80.0070.03720.37
5.5.350.0230.07320.41
5.5.340.0000.08718.02
5.5.330.0100.07320.54
5.5.320.0300.03720.32
5.5.310.0270.07320.26
5.5.300.0070.07317.93
5.5.290.0130.06017.89
5.5.280.0130.07720.97
5.5.270.0030.04320.94
5.5.260.0070.08320.77
5.5.250.0030.04020.77
5.5.240.0130.08020.04
5.4.450.0270.05319.46
5.4.440.0500.04319.33
5.4.430.0300.05719.63
5.4.420.0170.05719.40
5.4.410.0470.04719.32
5.4.400.0100.05019.31
5.4.390.0470.05719.25
5.4.380.0430.07018.68
5.4.370.0330.05718.68
5.4.360.0270.06018.65
5.4.350.0230.06718.69
5.4.340.0230.05718.50
5.4.320.0050.03912.46
5.4.310.0070.03712.46
5.4.300.0050.04012.46
5.4.290.0060.04812.46
5.4.280.0080.04012.36
5.4.270.0070.03412.35
5.4.260.0070.03712.36
5.4.250.0030.03912.36
5.4.240.0040.03612.36
5.4.230.0040.04112.34
5.4.220.0070.03912.34
5.4.210.0080.04312.34
5.4.200.0090.03712.34
5.4.190.0070.03412.34
5.4.180.0070.03612.34
5.4.170.0060.04012.36
5.4.160.0060.03612.34
5.4.150.0070.03612.34
5.4.140.0060.04012.02
5.4.130.0080.03612.02
5.4.120.0080.03811.97
5.4.110.0030.04411.96
5.4.100.0080.03311.96
5.4.90.0060.04111.97
5.4.80.0030.04311.97
5.4.70.0030.03711.96
5.4.60.0070.03311.96
5.4.50.0060.03511.96
5.4.40.0060.03611.95
5.4.30.0080.03811.95
5.4.20.0080.03211.95
5.4.10.0050.03511.95
5.4.00.0070.03611.44
5.3.290.0070.05212.80
5.3.280.0060.03712.71
5.3.270.0050.04012.73
5.3.260.0100.03412.72
5.3.250.0080.03612.72
5.3.240.0070.03612.72
5.3.230.0060.04112.71
5.3.220.0080.04312.68
5.3.210.0060.04112.68
5.3.200.0080.03512.68
5.3.190.0040.04012.68
5.3.180.0070.03612.68
5.3.170.0050.03912.67
5.3.160.0100.04212.67
5.3.150.0110.04512.67
5.3.140.0060.04812.66
5.3.130.0080.04212.66
5.3.120.0030.04212.66
5.3.110.0050.04212.66
5.3.100.0050.03712.12
5.3.90.0080.05212.09
5.3.80.0070.03812.08
5.3.70.0080.04312.07
5.3.60.0030.05212.07
5.3.50.0060.03612.00
5.3.40.0040.03812.00
5.3.30.0060.04011.95
5.3.20.0050.03711.73
5.3.10.0020.03911.70
5.3.00.0080.03311.68
5.2.170.0030.0319.18
5.2.160.0060.0279.19
5.2.150.0030.0339.18
5.2.140.0050.0319.18
5.2.130.0040.0299.14
5.2.120.0020.0309.14
5.2.110.0060.0299.14
5.2.100.0050.0279.15
5.2.90.0050.0289.15
5.2.80.0030.0329.14
5.2.70.0070.0279.14
5.2.60.0050.0309.10
5.2.50.0070.0289.07
5.2.40.0040.0299.04
5.2.30.0050.0299.02
5.2.20.0040.0289.01
5.2.10.0080.0248.93
5.2.00.0110.0248.78
5.1.60.0090.0188.07
5.1.50.0080.0228.06
5.1.40.0050.0238.04
5.1.30.0040.0288.40
5.1.20.0080.0278.42
5.1.10.0050.0238.14
5.1.00.0040.0268.14
5.0.50.0080.0176.62
5.0.40.0040.0206.48
5.0.30.0030.0316.30
5.0.20.0040.0186.26
5.0.10.0030.0206.24
5.0.00.0050.0326.24
4.4.90.0010.0174.77
4.4.80.0040.0144.75
4.4.70.0020.0164.75
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0040.0244.71
4.4.30.0010.0174.76
4.4.20.0030.0204.85
4.4.10.0030.0154.85
4.4.00.0040.0244.76
4.3.110.0010.0184.67
4.3.100.0050.0134.66
4.3.90.0020.0154.63
4.3.80.0030.0244.59
4.3.70.0020.0154.63
4.3.60.0020.0154.62
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0010.0173.29
4.3.20.0020.0163.26
4.3.10.0000.0173.22
4.3.00.0100.0207.53

preferences:
47.09 ms | 401 KiB | 5 Q