3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace test; $start = microtime(true); for($i = 0; $i < 100000; ++$i){ strlen(null . null . null . null . null . null . null . null . null . null . null . null); } echo microtime(true) - $start, PHP_EOL;

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)
8.0.110.0000.00816.93
8.0.100.0030.00616.89
8.0.90.0000.00916.72
8.0.80.0090.00916.77
8.0.70.0090.00016.78
8.0.60.0030.00616.96
8.0.50.0060.00316.93
8.0.30.0090.01217.12
8.0.20.0090.01317.40
8.0.10.0060.00317.00
8.0.00.0100.01016.86
7.4.240.0010.00716.54
7.4.230.0030.00616.68
7.4.220.0090.02116.64
7.4.210.0030.01716.55
7.4.200.0060.00316.62
7.4.160.0060.01416.43
7.4.150.0120.00917.40
7.4.140.0100.01017.86
7.4.130.0140.00716.43
7.4.120.0110.00716.40
7.4.110.0070.01816.54
7.4.100.0090.01216.48
7.4.90.0060.01216.52
7.4.80.0060.01319.39
7.4.70.0080.01316.40
7.4.60.0140.00516.48
7.4.50.0000.01016.50
7.4.40.0120.00616.35
7.4.30.0070.01116.46
7.4.00.0100.00814.75
7.3.300.0050.00316.22
7.3.290.0070.01116.30
7.3.280.0130.00616.23
7.3.270.0100.01017.40
7.3.260.0100.01016.22
7.3.250.0110.01316.38
7.3.240.0120.01616.30
7.3.230.0120.00916.39
7.3.210.0150.00316.52
7.3.200.0070.01319.39
7.3.190.0090.00916.31
7.3.180.0040.01416.36
7.3.170.0140.01016.50
7.3.160.0100.00716.52
7.3.120.0040.01614.87
7.3.110.0090.01014.62
7.3.100.0050.00914.76
7.3.90.0040.01314.88
7.3.80.0050.01014.76
7.3.70.0090.00614.74
7.3.60.0020.01614.79
7.3.50.0060.01014.74
7.3.40.0060.00914.68
7.3.30.0080.00914.76
7.3.20.0030.01016.49
7.3.10.0070.01016.68
7.3.00.0060.01216.58
7.2.330.0090.00916.64
7.2.320.0150.00716.50
7.2.310.0100.01016.62
7.2.300.0110.00716.55
7.2.290.0090.01616.54
7.2.250.0080.01415.06
7.2.240.0020.01915.04
7.2.230.0070.00514.86
7.2.220.0050.01114.96
7.2.210.0050.01115.09
7.2.200.0050.01215.02
7.2.190.0070.01115.07
7.2.180.0050.01214.92
7.2.170.0070.01014.93
7.2.60.0100.00716.98
7.2.00.0090.01219.51
7.1.330.0050.01515.78
7.1.320.0020.01815.76
7.1.310.0080.01415.66
7.1.300.0100.01115.78
7.1.290.0110.00915.78
7.1.280.0050.01515.74
7.1.270.0060.01415.81
7.1.260.0050.01415.64
7.1.200.0190.00315.83
7.1.100.0060.01017.89
7.1.70.0000.00916.96
7.1.60.0030.02519.61
7.1.50.0160.01016.99
7.1.00.0070.07322.45
7.0.200.0070.00716.91
7.0.140.0030.07722.08
7.0.60.0170.06719.93
7.0.50.0070.07017.80
7.0.40.0070.05720.30
7.0.30.0270.06020.18
7.0.20.0370.07720.16
7.0.10.0030.08020.00
7.0.00.0130.07720.11
5.6.280.0070.15020.99
5.6.210.0030.09020.54
5.6.200.0070.13318.21
5.6.190.0100.08720.41
5.6.180.2900.08320.39
5.6.170.0300.12020.33
5.6.160.0030.09320.50
5.6.150.0000.14718.12
5.6.140.0070.10018.11
5.6.130.0070.14318.18
5.6.120.0070.12720.89
5.6.110.0100.09321.00
5.6.100.0000.10021.02
5.6.90.0130.14321.12
5.6.80.0070.09020.37
5.5.350.0300.15020.37
5.5.340.0130.16017.98
5.5.330.0030.10720.21
5.5.320.0270.15720.13
5.5.310.0230.09020.24
5.5.300.0100.14017.91
5.5.290.0100.16317.95
5.5.280.0170.11320.95
5.5.270.0130.17320.92
5.5.260.0070.09720.75
5.5.250.0100.16020.58
5.5.240.0070.14720.32
5.4.450.0770.12019.57
5.4.440.0270.09719.21
5.4.430.0100.15719.21
5.4.420.0030.15719.41
5.4.410.0030.16719.44
5.4.400.0100.14318.90
5.4.390.0070.14719.34
5.4.380.0170.16718.76
5.4.370.0230.14718.64
5.4.360.0200.16318.57
5.4.350.0370.20018.63
5.4.340.0230.15018.73
5.4.320.0050.10912.46
5.4.310.0050.11012.45
5.4.300.0040.11312.45
5.4.290.0050.11112.45
5.4.280.0110.12312.35
5.4.270.0110.10112.35
5.4.260.0080.11012.35
5.4.250.0070.11112.35
5.4.240.0060.10912.35
5.4.230.0080.11012.34
5.4.220.0070.10512.34
5.4.210.0070.10312.34
5.4.200.0110.12212.34
5.4.190.0060.11012.34
5.4.180.0070.11112.34
5.4.170.0020.11312.35
5.4.160.0090.10712.35
5.4.150.0100.10212.34
5.4.140.0050.10812.02
5.4.130.0080.10712.02
5.4.120.0080.11711.97
5.4.110.0080.11311.97
5.4.100.0100.13011.96
5.4.90.0070.11411.97
5.4.80.0050.11811.96
5.4.70.0090.11411.96
5.4.60.0040.12811.96
5.4.50.0030.12311.97
5.4.40.0080.11111.95
5.4.30.0040.11611.95
5.4.20.0020.12211.95
5.4.10.0070.11311.95
5.4.00.0070.12011.44
5.3.290.0050.20412.80
5.3.280.0080.18912.71
5.3.270.0080.21912.73
5.3.260.0070.19512.72
5.3.250.0120.19312.72
5.3.240.0040.19612.72
5.3.230.0050.19412.71
5.3.220.0090.19912.68
5.3.210.0120.20312.68
5.3.200.0080.21612.68
5.3.190.0080.19812.68
5.3.180.0080.20912.68
5.3.170.0100.20912.67
5.3.160.0090.21712.67
5.3.150.0120.20912.67
5.3.140.0120.24912.66
5.3.130.0080.25112.65
5.3.120.0110.22212.65
5.3.110.0070.24212.66
5.3.100.0070.21312.12
5.3.90.0060.20312.08
5.3.80.0050.22012.07
5.3.70.0070.22412.07
5.3.60.0090.20812.07
5.3.50.0080.20212.00
5.3.40.0090.19512.00
5.3.30.0090.19211.95
5.3.20.0050.20111.73
5.3.10.0080.19411.69
5.3.00.0080.19711.68
5.2.170.0050.0319.18
5.2.160.0050.0299.18
5.2.150.0090.0269.18
5.2.140.0060.0299.18
5.2.130.0050.0309.14
5.2.120.0050.0289.14
5.2.110.0040.0319.15
5.2.100.0040.0299.14
5.2.90.0070.0279.14
5.2.80.0030.0339.13
5.2.70.0060.0299.14
5.2.60.0030.0319.09
5.2.50.0010.0339.06
5.2.40.0060.0289.03
5.2.30.0030.0329.01
5.2.20.0050.0299.00
5.2.10.0050.0288.93
5.2.00.0060.0288.78
5.1.60.0030.0268.07
5.1.50.0100.0198.07
5.1.40.0050.0248.04
5.1.30.0010.0298.40
5.1.20.0040.0278.41
5.1.10.0040.0268.14
5.1.00.0020.0278.14
5.0.50.0040.0206.62
5.0.40.0040.0196.48
5.0.30.0030.0326.29
5.0.20.0030.0206.27
5.0.10.0050.0206.24
5.0.00.0070.0336.23
4.4.90.0030.0174.78
4.4.80.0050.0144.75
4.4.70.0010.0184.75
4.4.60.0030.0164.76
4.4.50.0010.0184.77
4.4.40.0030.0274.71
4.4.30.0030.0174.76
4.4.20.0070.0164.84
4.4.10.0020.0174.85
4.4.00.0080.0254.76
4.3.110.0060.0174.67
4.3.100.0050.0154.66
4.3.90.0030.0154.64
4.3.80.0020.0284.58
4.3.70.0050.0154.63
4.3.60.0030.0154.63
4.3.50.0020.0164.63
4.3.40.0030.0244.54
4.3.30.0020.0193.29
4.3.20.0020.0153.26
4.3.10.0010.0163.22
4.3.00.0270.01318.16

preferences:
35.56 ms | 400 KiB | 5 Q