3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test(&$a = -1) { $a += 2; $b = $a * 2; return $b; } $a = 2; $b = test($a); echo $a + $b;

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)
8.3.60.0000.01516.75
8.3.50.0090.00922.18
8.3.40.0120.00318.83
8.3.30.0140.00018.57
8.3.20.0170.00020.07
8.3.10.0080.00023.52
8.3.00.0030.00619.38
8.2.180.0160.00618.21
8.2.170.0060.00922.96
8.2.160.0100.00721.07
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0040.00417.75
8.2.120.0050.00326.35
8.2.110.0050.00519.21
8.2.100.0080.00418.03
8.2.90.0070.00019.26
8.2.80.0040.00417.97
8.2.70.0050.00317.75
8.2.60.0000.00818.03
8.2.50.0090.00018.10
8.2.40.0060.00319.28
8.2.30.0070.00020.52
8.2.20.0040.00417.85
8.2.10.0000.00818.00
8.2.00.0000.00718.04
8.1.280.0120.00325.92
8.1.270.0060.00324.04
8.1.260.0000.00828.09
8.1.250.0040.00428.09
8.1.240.0070.00323.92
8.1.230.0110.00017.66
8.1.220.0040.00417.76
8.1.210.0040.00418.77
8.1.200.0060.00317.25
8.1.190.0040.00717.23
8.1.180.0040.00418.10
8.1.170.0050.00218.80
8.1.160.0000.00722.00
8.1.150.0080.00018.81
8.1.140.0050.00319.53
8.1.130.0070.00017.64
8.1.120.0040.00417.38
8.1.110.0000.00717.33
8.1.100.0050.00217.38
8.1.90.0000.00717.37
8.1.80.0040.00417.26
8.1.70.0030.00317.21
8.1.60.0000.00817.57
8.1.50.0040.00417.42
8.1.40.0060.00317.37
8.1.30.0040.00417.50
8.1.20.0050.00317.50
8.1.10.0000.00717.50
8.1.00.0060.00317.46
8.0.300.0000.00818.77
8.0.290.0070.00016.88
8.0.280.0030.00318.42
8.0.270.0000.00717.13
8.0.260.0000.00717.13
8.0.250.0070.00016.94
8.0.240.0000.00817.00
8.0.230.0000.00916.91
8.0.220.0000.00716.77
8.0.210.0040.00416.85
8.0.200.0060.00016.95
8.0.190.0030.00616.83
8.0.180.0040.00416.95
8.0.170.0030.00516.91
8.0.160.0030.00517.00
8.0.150.0030.00316.80
8.0.140.0000.00716.73
8.0.130.0030.00313.31
8.0.120.0040.00416.80
8.0.110.0040.00416.93
8.0.100.0000.00816.68
8.0.90.0000.00716.77
8.0.80.0110.00916.86
8.0.70.0060.00316.79
8.0.60.0040.00416.76
8.0.50.0030.00516.75
8.0.30.0050.01217.18
8.0.20.0120.00917.40
8.0.10.0040.00416.90
8.0.00.0090.00816.75
7.4.330.0000.00516.67
7.4.320.0030.00316.51
7.4.300.0040.00416.59
7.4.290.0030.00316.49
7.4.280.0040.00416.49
7.4.270.0060.00016.55
7.4.260.0070.00016.40
7.4.250.0000.00716.45
7.4.240.0060.00216.50
7.4.230.0030.00316.57
7.4.220.0100.00716.44
7.4.210.0090.00616.62
7.4.200.0070.00016.32
7.4.160.0090.00616.61
7.4.150.0100.01017.40
7.4.140.0090.00817.86
7.4.130.0200.00316.52
7.4.120.0080.01116.51
7.4.110.0030.01516.72
7.4.100.0030.01416.56
7.4.90.0100.00716.36
7.4.80.0070.01019.39
7.4.70.0070.01016.48
7.4.60.0100.00716.56
7.4.50.0030.01216.63
7.4.40.0060.00916.47
7.4.30.0000.01716.46
7.4.00.0050.01315.00
7.3.330.0050.00013.04
7.3.320.0030.00313.38
7.3.310.0000.00716.15
7.3.300.0030.00316.40
7.3.290.0070.00716.25
7.3.280.0080.00816.33
7.3.270.0090.00817.40
7.3.260.0070.01016.70
7.3.240.0060.01116.41
7.3.230.0060.01016.46
7.3.210.0110.00716.30
7.3.200.0090.01016.38
7.3.190.0160.00616.64
7.3.180.0030.01216.53
7.3.170.0050.01316.66
7.3.160.0060.01016.46
7.3.120.0150.00315.03
7.3.110.0030.01514.96
7.3.100.0100.00714.96
7.3.90.0000.01314.84
7.3.80.0070.00314.71
7.3.70.0060.00914.65
7.3.60.0080.00414.91
7.3.50.0110.00314.96
7.3.40.0080.00614.64
7.3.30.0090.00614.81
7.3.20.0000.01416.75
7.3.10.0060.00316.48
7.3.00.0030.01016.36
7.2.330.0080.00816.35
7.2.320.0070.01016.74
7.2.310.0120.00316.60
7.2.300.0040.01816.71
7.2.290.0140.01116.54
7.2.250.0070.01014.61
7.2.240.0140.00714.83
7.2.230.0030.01315.04
7.2.220.0100.00314.94
7.2.210.0040.01414.97
7.2.200.0090.00614.96
7.2.190.0070.00715.13
7.2.180.0070.00415.02
7.2.170.0070.01014.98
7.1.330.0040.01115.66
7.1.320.0040.00715.54
7.1.310.0090.00615.71
7.1.300.0030.01015.41
7.1.290.0000.01415.70
7.1.280.0040.01115.71
7.1.270.0030.00715.79
7.1.260.0000.01615.68
7.1.70.0040.01117.09
7.1.60.0120.01219.48
7.1.50.0090.00616.80
7.1.00.0030.07322.37
7.0.200.0180.00914.95
7.0.60.0070.08319.97
7.0.50.0170.07017.79
7.0.40.0070.08720.13
7.0.30.0330.07320.23
7.0.20.0200.05020.05
7.0.10.0070.04020.33
7.0.00.0000.05320.19
5.6.280.0000.05721.01
5.6.210.0170.07020.76
5.6.200.0100.07718.16
5.6.190.0000.04720.52
5.6.180.0300.07320.64
5.6.170.0200.04320.57
5.6.160.0030.04020.55
5.6.150.0130.04318.23
5.6.140.0170.03018.21
5.6.130.0000.08718.21
5.6.120.0130.08321.13
5.6.110.0200.07721.02
5.6.100.0100.05020.96
5.6.90.0100.06321.08
5.6.80.0130.05720.33
5.5.350.4070.04320.47
5.5.340.0130.03718.07
5.5.330.0070.08720.46
5.5.320.0030.03720.31
5.5.310.0270.04720.27
5.5.300.0030.07717.94
5.5.290.0070.06017.98
5.5.280.0130.08320.77
5.5.270.0130.04720.89
5.5.260.0200.07020.87
5.5.250.0000.05720.66
5.5.240.0330.06720.07

preferences:
47.53 ms | 401 KiB | 5 Q