3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Init: ".memory_get_usage() . PHP_EOL . PHP_EOL; $test = $test2 = array(); $i = 0; while ($i++ < 100000) { $test[] = $i; $test2[] = $i; } // test loop 1 echo "Test 1: ".memory_get_usage() . PHP_EOL; foreach ($test as $k => $v) { unset($test[$k]); echo memory_get_usage() . PHP_EOL . PHP_EOL; break; } // test loop 2 echo "Test 2: ".memory_get_usage() . PHP_EOL; foreach ($test2 as $k => &$v) { unset($test2[$k]); echo memory_get_usage() . PHP_EOL . PHP_EOL; break; }

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)
7.3.10.0070.01629.30
7.3.00.0130.01029.36
7.2.130.0100.01029.74
7.2.120.0030.02029.77
7.2.110.0130.01029.76
7.2.100.0070.01429.80
7.2.90.0090.01230.02
7.2.80.0030.01930.00
7.2.70.0000.01829.83
7.2.60.0070.01430.01
7.2.50.0060.01229.83
7.2.40.0120.00929.78
7.2.30.0070.01729.90
7.2.20.0030.01929.83
7.2.10.0030.01629.87
7.2.00.0110.00630.07
7.1.250.0070.01728.53
7.1.70.0000.01430.07
7.1.60.0130.02030.49
7.1.50.0030.01429.75
7.1.00.0130.07735.48
7.0.200.0190.00929.76
7.0.140.0070.08335.21
7.0.100.0270.07731.91
7.0.90.0330.05331.83
7.0.80.0170.08731.96
7.0.70.0230.07331.88
7.0.60.0330.07031.93
7.0.50.0530.05732.11
7.0.40.0170.07729.24
7.0.30.0200.07729.34
7.0.20.0300.09329.36
7.0.10.0170.07329.25
7.0.00.0300.09329.29
5.6.280.0170.12053.78
5.6.250.0130.07753.64
5.6.240.0270.11353.50
5.6.230.0200.11353.53
5.6.220.0100.09353.68
5.6.210.0270.08353.77
5.6.200.0300.08054.09
5.6.190.0130.08754.10
5.6.180.0370.05054.03
5.6.170.0200.08753.91
5.6.160.0200.11353.94
5.6.150.0200.06753.96
5.6.140.0530.05054.10
5.6.130.0170.07754.11
5.6.120.0130.07754.11
5.6.110.0300.07753.95
5.6.100.0100.07753.93
5.6.90.0100.12354.00
5.6.80.0100.08353.43
5.6.70.0200.11353.46
5.6.60.0100.07753.46
5.6.50.0230.06353.31
5.6.40.0300.09753.42
5.6.30.0330.07353.39
5.6.20.0130.13753.29
5.6.10.0070.10753.40
5.6.00.0230.07353.39
5.5.380.0170.11753.51
5.5.370.0370.10053.57
5.5.360.0130.10753.35
5.5.350.0300.09053.43
5.5.340.0200.13353.89
5.5.330.0300.11353.88
5.5.320.0130.12753.88
5.5.310.0130.07753.77
5.5.300.0200.11353.86
5.5.290.0170.13053.82
5.5.280.0200.07353.87
5.5.270.0330.11353.73
5.5.260.0100.12053.86
5.5.250.0270.08053.65
5.5.240.0100.07753.16
5.5.230.0100.08053.30
5.5.220.0170.07353.25
5.5.210.0100.07753.11
5.5.200.0300.07353.22
5.5.190.0200.07753.13
5.5.180.0100.12753.09
5.5.160.0300.08753.22
5.5.150.0200.10353.14
5.5.140.0270.10753.20
5.5.130.0170.07053.10
5.5.120.0130.09353.22
5.5.110.0100.08353.20
5.5.100.0170.07353.18
5.5.90.0230.06353.13
5.5.80.0200.13053.05
5.5.70.0270.09753.14
5.5.60.0200.07352.94
5.5.50.0270.10753.03
5.5.40.0070.07753.11
5.5.30.0170.11053.11
5.5.20.0130.07753.13
5.5.10.0230.06353.11
5.5.00.0170.11053.11
5.4.450.0200.06752.26
5.4.440.0100.13052.30
5.4.430.0100.09352.31
5.4.420.0100.08352.41
5.4.410.0170.07052.19
5.4.400.0200.08752.09
5.4.390.0200.06751.84
5.4.380.0300.06351.80
5.4.370.0130.08752.05
5.4.360.0100.09351.89
5.4.350.0100.07351.91
5.4.340.0130.07351.98
5.4.320.0100.07351.94
5.4.310.0070.09351.97
5.4.300.0200.12051.88
5.4.290.0270.05752.05
5.4.280.0270.09751.89
5.4.270.0100.07352.08
5.4.260.0000.11052.05
5.4.250.0170.06751.89
5.4.240.0470.09751.75
5.4.230.0230.06351.93
5.4.220.0200.11351.92
5.4.210.0170.12751.83
5.4.200.0170.11751.92
5.4.190.0230.10751.75
5.4.180.0130.11351.87
5.4.170.0170.07351.91
5.4.160.0170.09051.86
5.4.150.0100.09351.90
5.4.140.0170.10049.15
5.4.130.0230.12049.30
5.4.120.0200.10749.28
5.4.110.0100.11049.17
5.4.100.0300.10049.24
5.4.90.0270.09349.23
5.4.80.0170.11749.27
5.4.70.0200.08349.32
5.4.60.0270.05349.36
5.4.50.0200.10749.36
5.4.40.0300.06749.19
5.4.30.0170.11749.22
5.4.20.0270.10349.27
5.4.10.0200.08049.20
5.4.00.0330.09748.71
5.3.290.0170.11346.94
5.3.280.0130.12346.91
5.3.270.0200.07346.80
5.3.260.0200.11046.80
5.3.250.0130.07046.98
5.3.240.0330.10346.97
5.3.230.0070.07746.77
5.3.220.0200.11346.94
5.3.210.0130.07046.93
5.3.200.0170.12346.77
5.3.190.0130.07046.86
5.3.180.0230.11346.77
5.3.170.0100.13046.89
5.3.160.0200.10046.88
5.3.150.0270.11346.77
5.3.140.0130.07346.88
5.3.130.0070.08746.91
5.3.120.0230.12046.87
5.3.110.0200.09346.91
5.3.100.0170.07046.34
5.3.90.0130.07746.21
5.3.80.0130.08346.25
5.3.70.0270.07046.16
5.3.60.0200.08346.63
5.3.50.0100.09746.11
5.3.40.0100.07346.26
5.3.30.0170.06346.22
5.3.20.0170.09745.98
5.3.10.0200.11745.95
5.3.00.0170.10745.89
5.2.170.0070.07042.54
5.2.160.0070.12342.66
5.2.150.0170.07342.67
5.2.140.0170.07342.64
5.2.130.0100.08742.60
5.2.120.0170.09342.54
5.2.110.0230.11042.53
5.2.100.0070.12342.42
5.2.90.0130.11743.03
5.2.80.0130.07742.52
5.2.70.0170.10742.53
5.2.60.0130.08042.48
5.2.50.0100.11042.63
5.2.40.0230.11742.66
5.2.30.0300.07042.71
5.2.20.0170.07342.68
5.2.10.0200.08342.55
5.2.00.0000.03712.16
5.1.60.0030.03012.16
5.1.50.0070.02312.16
5.1.40.0070.03012.16
5.1.30.0030.03012.16
5.1.20.0070.03312.16
5.1.10.0000.06012.16
5.1.00.0070.06012.16
5.0.50.0000.03312.16
5.0.40.0000.02712.16
5.0.30.0000.03312.16
5.0.20.0100.03712.16
5.0.10.0070.02012.16
5.0.00.0070.05312.16
4.4.90.0000.01712.16
4.4.80.0070.03012.16
4.4.70.0030.01312.16
4.4.60.0000.02012.16
4.4.50.0030.02012.16
4.4.40.0000.02712.16
4.4.30.0000.02312.16
4.4.20.0030.02312.16
4.4.10.0030.02012.16
4.4.00.0070.04312.16
4.3.110.0030.01312.16
4.3.100.0000.01712.16
4.3.90.0000.02312.16
4.3.80.0000.04012.16
4.3.70.0070.03012.16
4.3.60.0070.02712.16
4.3.50.0030.03012.16
4.3.40.0000.05312.16
4.3.30.0030.03012.16
4.3.20.0030.02712.16
4.3.10.0030.01712.16
4.3.00.0000.03712.16

preferences:
37.24 ms | 401 KiB | 5 Q