3v4l.org

run code in 300+ PHP versions simultaneously
<?php //Defining a constant Test $DefConst_TimeStart = microtime(); $DefConst_MemStart = memory_get_usage(); for($i=1;$i<=100000;$i++){ define("x$i",$i); } $DefConst_MemEnd = memory_get_usage(); $DefConst_TimeEnd = microtime(); //Variable test $Variable_TimeStart = microtime(); $Variable_MemStart = memory_get_usage(); for($i=1;$i<=100000;$i++){ ${"x".$i} = $i; } $Variable_MemEnd = memory_get_usage(); $Variable_TimeEnd = microtime(); //Output of the results echo "Define Constant: Time: ".($DefConst_TimeEnd - $DefConst_TimeStart)." ms | Memory: ".($DefConst_MemEnd - $DefConst_MemStart)." Bytes\n"; echo "Setting Variable: Time: ".($Variable_TimeEnd - $Variable_TimeStart)." ms | Memory: ".($Variable_MemEnd - $Variable_MemStart)." Bytes\n";

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)
7.3.10.0490.02933.20
7.3.00.0190.05733.23
7.2.130.0450.04534.76
7.2.120.0380.04534.99
7.2.110.0290.03934.61
7.2.100.0240.06134.59
7.2.90.0580.03634.44
7.2.80.0580.03934.96
7.2.70.0510.05234.81
7.2.60.0530.04134.79
7.2.50.0490.04134.56
7.2.40.0390.06434.61
7.2.30.0570.04534.73
7.2.20.0460.04934.99
7.2.10.0490.03734.64
7.2.00.0250.04036.04
7.1.250.0410.06033.29
7.1.70.0000.03135.70
7.1.60.0170.06035.26
7.1.50.0070.05334.97
7.1.00.0100.10741.00
7.0.200.2070.02731.28
7.0.60.0100.09736.25
7.0.50.0100.06734.13
7.0.40.0070.10327.65
7.0.30.0700.05727.64
7.0.20.0400.10327.42
7.0.10.0430.07027.63
7.0.00.0170.10327.63
5.6.280.0070.14355.23
5.6.210.0230.15754.63
5.6.200.0130.12052.24
5.6.190.0200.10054.46
5.6.180.4000.10754.52
5.6.170.0200.11054.41
5.6.160.0230.16054.37
5.6.150.0200.11052.26
5.6.140.0100.11752.12
5.6.130.0100.11052.27
5.6.120.0330.10055.11
5.6.110.0130.11754.95
5.6.100.0230.10055.23
5.6.90.0200.15355.21
5.6.80.0200.11754.53
5.5.350.0200.15054.44
5.5.340.0230.16052.04
5.5.330.0030.11754.21
5.5.320.0500.13054.16
5.5.310.0330.17053.99
5.5.300.0170.17351.93
5.5.290.0100.15051.98
5.5.280.0300.11754.99
5.5.270.0230.17354.86
5.5.260.0300.15054.93
5.5.250.0200.14054.85
5.5.240.0370.16054.38
5.4.450.0170.10353.29
5.4.440.0170.16053.44
5.4.430.0130.17353.56
5.4.420.0200.16753.44
5.4.410.0270.16053.44
5.4.400.0230.15053.09
5.4.390.0200.16753.11
5.4.380.0130.17052.98
5.4.370.0170.12352.96
5.4.360.0330.12352.96
5.4.350.0200.09753.06
5.4.340.0370.14753.11
5.4.320.0330.15753.11
5.4.310.0130.17353.27
5.4.300.0200.15053.09
5.4.290.0200.09753.03
5.4.280.0130.15353.11
5.4.270.0130.17052.84
5.4.260.0200.15753.05
5.4.250.0070.13053.05
5.4.240.0200.10753.08
5.4.230.0100.17053.05
5.4.220.0100.12353.07
5.4.210.0130.10053.05
5.4.200.0200.09752.90
5.4.190.0100.10753.05
5.4.180.0100.11053.04
5.4.170.0100.12053.14
5.4.160.0030.11052.88
5.4.150.0130.12353.09
5.4.140.0070.15050.25
5.4.130.0170.09350.33
5.4.120.0000.10750.61
5.4.110.0000.13050.40
5.4.100.0200.10750.29
5.4.90.0100.11350.39
5.4.80.0070.10750.33
5.4.70.0170.12750.38
5.4.60.0200.15350.46
5.4.50.0170.15350.43
5.4.40.0130.10750.45
5.4.30.0000.17750.48
5.4.20.0170.10050.38
5.4.10.0100.16750.38
5.4.00.0200.15749.81
5.3.290.0270.16748.40
5.3.280.0130.12348.21
5.3.270.0130.10748.48
5.3.260.0200.11348.34
5.3.250.0070.11348.27
5.3.240.0100.13748.24
5.3.230.0100.11048.45
5.3.220.0130.10348.30
5.3.210.0230.09748.22
5.3.200.0130.10748.22
5.3.190.0100.11048.20
5.3.180.0130.13748.20
5.3.170.0030.12048.18
5.3.160.0170.13348.23
5.3.150.0170.14748.20
5.3.140.0170.10748.18
5.3.130.0100.18048.21
5.3.120.0230.16748.27
5.3.110.0130.17748.28
5.3.100.0170.17347.66
5.3.90.0170.14047.77
5.3.80.0200.16747.64
5.3.70.0070.18347.70
5.3.60.0270.16747.67
5.3.50.0130.11747.61
5.3.40.0130.19747.63
5.3.30.0130.16747.48
5.3.20.0230.14347.37
5.3.10.0200.17047.32
5.3.00.0130.13747.38
5.2.170.0100.12744.13
5.2.160.0230.15044.11
5.2.150.0200.17043.98
5.2.140.0270.16344.11
5.2.130.0170.16344.02
5.2.120.0170.11043.93
5.2.110.0100.15743.93
5.2.100.0130.15343.98
5.2.90.0300.13743.98
5.2.80.0100.16044.06
5.2.70.0170.15744.15
5.2.60.0100.16343.88
5.2.50.0100.16343.97
5.2.40.0030.16043.80
5.2.30.0200.16743.84
5.2.20.0070.17744.03
5.2.10.0030.13043.84
5.2.00.0030.05312.11
5.1.60.0000.04712.11
5.1.50.0100.05312.11
5.1.40.0000.03712.11
5.1.30.0030.03712.11
5.1.20.0000.05712.11
5.1.10.0000.06012.11
5.1.00.0030.05012.11
5.0.50.0030.04712.11
5.0.40.0030.03712.11
5.0.30.0030.05312.11
5.0.20.0070.04012.11
5.0.10.0000.04712.11
5.0.00.0000.07012.11
4.4.90.0000.03712.11
4.4.80.0000.03712.11
4.4.70.0000.04012.11
4.4.60.0000.02012.11
4.4.50.0000.01712.11
4.4.40.0000.05712.11
4.4.30.0000.03312.11
4.4.20.0000.03712.11
4.4.10.0000.02312.11
4.4.00.0030.04312.11
4.3.110.0030.03312.11
4.3.100.0030.03012.11
4.3.90.0030.03312.11
4.3.80.0000.06012.11
4.3.70.0070.03012.11
4.3.60.0000.03012.11
4.3.50.0000.03712.11
4.3.40.0000.04712.11
4.3.30.0000.03012.11
4.3.20.0030.03712.11
4.3.10.0000.03712.11
4.3.00.0000.03712.11

preferences:
44.59 ms | 1284 KiB | 5 Q