3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = []; for($i = 0; $i < 100000; $i++) { $test[] = $i; } $start_t = microtime(true); for($i = 0; $i<count($test); $i++) { $test[$i] += $i; } echo 'Time with count: '.(microtime(true) - $start_t).PHP_EOL; $start_t = microtime(true); $count = count($test); for($i = 0; $i<$count; $i++) { $test[$i] += $i; } echo 'Time without count: '.(microtime(true) - $start_t).PHP_EOL; $start_t = microtime(true); foreach($test as $i => $val) { $test[$i] += $i; } echo 'Time with foreach: '.(microtime(true) - $start_t).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)
7.3.10.0170.02124.65
7.3.00.0240.02424.75
7.2.130.0120.01624.84
7.2.120.0230.01625.01
7.2.110.0320.02024.83
7.2.100.0230.01324.91
7.2.90.0210.01824.73
7.2.80.0160.01924.95
7.2.70.0210.02825.05
7.2.60.0200.02624.99
7.2.50.0310.03124.96
7.2.40.0310.01525.01
7.2.30.0330.02224.92
7.2.20.0310.02224.80
7.2.10.0270.02724.79
7.2.00.0210.01926.23
7.1.250.0170.03523.86
7.1.70.0030.03525.10
7.1.60.0070.04225.29
7.1.50.0230.03242.88
7.1.00.0070.09330.27
7.0.200.3250.01623.82
7.0.140.0030.09730.09
7.0.100.0300.07726.84
7.0.90.0570.09727.07
7.0.80.0430.05726.76
7.0.70.0230.08026.86
7.0.60.0370.08326.82
7.0.50.0130.09727.19
7.0.40.0070.10325.89
7.0.30.0170.09325.84
7.0.20.0530.09025.94
7.0.10.0100.05325.96
7.0.00.0200.08325.98
5.6.280.0130.14049.13
5.6.250.0170.13348.75
5.6.240.0200.11348.82
5.6.230.0070.12348.96
5.6.220.0100.12348.86
5.6.210.0230.15048.68
5.6.200.0200.14349.16
5.6.190.0200.14049.28
5.6.180.0130.16349.26
5.6.170.0100.14049.35
5.6.160.0130.12749.17
5.6.150.0200.12749.31
5.6.140.0270.12749.24
5.6.130.0170.13349.17
5.6.120.0270.11349.26
5.6.110.0100.14349.22
5.6.100.0200.12349.23
5.6.90.0170.12049.20
5.6.80.0170.11348.55
5.6.70.0300.11048.70
5.6.60.0130.10348.59
5.6.50.0200.09748.77
5.6.40.0100.13748.54
5.6.30.0230.13348.60
5.6.20.0300.08048.59
5.6.10.0230.10748.57
5.6.00.0200.08048.67
5.5.380.0130.11748.62
5.5.370.0100.14348.56
5.5.360.0170.10748.57
5.5.350.0200.13348.57
5.5.340.0200.12749.14
5.5.330.0200.11049.11
5.5.320.0330.11349.10
5.5.310.0230.13349.13
5.5.300.0500.07749.01
5.5.290.0200.15049.09
5.5.280.0270.09749.04
5.5.270.0370.11049.09
5.5.260.0130.12749.12
5.5.250.0170.13748.83
5.5.240.0130.12748.37
5.5.230.0170.11348.37
5.5.220.0270.13348.49
5.5.210.0130.15048.45
5.5.200.0200.11348.39
5.5.190.0270.16348.44
5.5.180.0130.10748.45
5.5.160.0300.13048.39
5.5.150.0130.11048.32
5.5.140.0200.13348.39
5.5.130.0200.13048.32
5.5.120.0300.11748.43
5.5.110.0170.13348.39
5.5.100.0200.14348.29
5.5.90.0200.09748.26
5.5.80.0300.11048.18
5.5.70.0100.10748.35
5.5.60.0100.08348.27
5.5.50.0200.07748.35
5.5.40.0100.08348.21
5.5.30.0130.08748.25
5.5.20.0000.09748.31
5.5.10.0100.08748.19
5.5.00.0330.13048.25
5.4.450.0200.10347.44
5.4.440.0130.13047.37
5.4.430.0170.15047.37
5.4.420.0070.14747.42
5.4.410.0130.12047.36
5.4.400.0100.14047.20
5.4.390.0070.12047.10
5.4.380.0130.10346.97
5.4.370.0230.12047.14
5.4.360.0230.12047.10
5.4.350.0130.14347.24
5.4.340.0200.15347.18
5.4.320.0330.09047.20
5.4.310.0200.12747.14
5.4.300.0130.13047.04
5.4.290.0130.12347.19
5.4.280.0100.14047.26
5.4.270.0300.12047.24
5.4.260.0230.10747.19
5.4.250.0170.12047.25
5.4.240.0270.09347.04
5.4.230.0330.12347.12
5.4.220.0100.10347.09
5.4.210.0170.07747.10
5.4.200.0070.08747.18
5.4.190.0070.08747.18
5.4.180.0130.08047.26
5.4.170.0170.08047.01
5.4.160.0170.10747.03
5.4.150.0130.13047.13
5.4.140.0170.08744.60
5.4.130.0170.09344.26
5.4.120.0030.09344.34
5.4.110.0130.10744.36
5.4.100.0170.08044.54
5.4.90.0070.08744.47
5.4.80.0070.08344.42
5.4.70.0200.07044.61
5.4.60.0100.08744.52
5.4.50.0030.08744.38
5.4.40.0100.08044.52
5.4.30.0130.07744.36
5.4.20.0170.08044.51
5.4.10.0170.08044.51
5.4.00.0100.08043.84
5.3.290.0030.07714.49
5.3.280.0070.04714.56
5.3.270.0030.04714.59
5.3.260.0000.03714.47
5.3.250.0030.06714.46
5.3.240.0030.04014.55
5.3.230.0000.03714.61
5.3.220.0030.03714.42
5.3.210.0000.04314.55
5.3.200.0030.03714.55
5.3.190.0000.04014.55
5.3.180.0070.03314.50
5.3.170.0070.03314.56
5.3.160.0000.04014.55
5.3.150.0030.03714.43
5.3.140.0030.04014.41
5.3.130.0030.04314.41
5.3.120.0030.03314.50
5.3.110.0030.04014.52
5.3.100.0070.03313.98
5.3.90.0030.03713.93
5.3.80.0030.03713.98
5.3.70.0070.03314.02
5.3.60.0000.04013.89
5.3.50.0000.04313.95
5.3.40.0130.02713.94
5.3.30.0030.05313.68
5.3.20.0000.04013.46
5.3.10.0170.02713.63
5.3.00.0000.03713.63
5.2.170.0030.03012.09
5.2.160.0030.02712.09
5.2.150.0070.02712.09
5.2.140.0030.02712.09
5.2.130.0000.03712.09
5.2.120.0000.03312.09
5.2.110.0000.03012.09
5.2.100.0070.02312.09
5.2.90.0030.06312.09
5.2.80.0000.03012.09
5.2.70.0070.06012.09
5.2.60.0070.05012.09
5.2.50.0030.03312.09
5.2.40.0100.05012.09
5.2.30.0070.06012.09
5.2.20.0030.06012.09
5.2.10.0030.02712.09
5.2.00.0070.03012.09
5.1.60.0030.04012.09
5.1.50.0030.04312.09
5.1.40.0030.05012.09
5.1.30.0170.04012.09
5.1.20.0070.05312.09
5.1.10.0100.04712.09
5.1.00.0000.05712.09
5.0.50.0070.03712.09
5.0.40.0070.04012.09
5.0.30.0070.05712.09
5.0.20.0000.03012.09
5.0.10.0030.03312.09
5.0.00.0030.06012.09
4.4.90.0030.01712.09
4.4.80.0030.01312.09
4.4.70.0070.03012.09
4.4.60.0070.03312.09
4.4.50.0030.03712.09
4.4.40.0070.04712.09
4.4.30.0070.03012.09
4.4.20.0030.03712.09
4.4.10.0100.03012.09
4.4.00.0030.05012.09
4.3.110.0070.03012.09
4.3.100.0030.03312.09
4.3.90.0000.02012.09
4.3.80.0000.03712.09
4.3.70.0000.03712.09
4.3.60.0030.03012.09
4.3.50.0030.03712.09
4.3.40.0070.04712.09
4.3.30.0000.02312.09
4.3.20.0030.03712.09
4.3.10.0000.03712.09
4.3.00.0000.02312.09

preferences:
35.98 ms | 401 KiB | 5 Q