3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { $a = 1; $b = &$a; echo (++$a)+ (++$a) + (++$a); } function bar() { $a = 1; echo (++$a)+ (++$a) + (++$a); } foo(); echo '\n'; bar();

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)
8.3.60.0070.01018.43
8.3.50.0120.00316.34
8.3.40.0060.00918.48
8.3.30.0110.00318.46
8.3.20.0060.01219.98
8.3.10.0080.00023.56
8.3.00.0030.00619.56
8.2.180.0090.00616.32
8.2.170.0140.00722.96
8.2.160.0030.01020.57
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0110.00017.25
8.2.110.0090.00020.41
8.2.100.0080.00417.72
8.2.90.0040.00417.90
8.2.80.0080.00017.97
8.2.70.0040.00417.63
8.2.60.0040.00417.80
8.2.50.0030.00618.07
8.2.40.0000.00820.90
8.2.30.0060.00319.82
8.2.20.0050.00317.84
8.2.10.0000.00718.04
8.2.00.0000.00717.85
8.1.280.0070.01025.92
8.1.270.0000.00920.38
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.52
8.1.230.0090.00320.95
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0060.00617.22
8.1.190.0030.00617.10
8.1.180.0030.00518.10
8.1.170.0000.00918.55
8.1.160.0040.00421.89
8.1.150.0000.00718.75
8.1.140.0030.00517.25
8.1.130.0000.00717.66
8.1.120.0040.00417.34
8.1.110.0040.00417.26
8.1.100.0000.00817.38
8.1.90.0000.00717.38
8.1.80.0100.00017.38
8.1.70.0070.00017.41
8.1.60.0060.00317.55
8.1.50.0040.00417.42
8.1.40.0000.00817.54
8.1.30.0000.00817.63
8.1.20.0000.00717.63
8.1.10.0070.00017.41
8.1.00.0050.00217.43
8.0.300.0050.00220.03
8.0.290.0000.00716.63
8.0.280.0030.00318.34
8.0.270.0070.00017.15
8.0.260.0030.00317.15
8.0.250.0040.00416.84
8.0.240.0040.00416.93
8.0.230.0030.00316.78
8.0.220.0080.00016.80
8.0.210.0040.00416.84
8.0.200.0030.00316.93
8.0.190.0080.00016.76
8.0.180.0050.00216.77
8.0.170.0030.00616.75
8.0.160.0000.00716.89
8.0.150.0030.00316.67
8.0.140.0000.00716.69
8.0.130.0030.00313.20
8.0.120.0040.00416.69
8.0.110.0000.00816.68
8.0.100.0000.00716.70
8.0.90.0040.00416.61
8.0.80.0100.00716.80
8.0.70.0000.00716.80
8.0.60.0070.00016.77
8.0.50.0000.00816.63
8.0.30.0060.01317.13
8.0.20.0120.00717.40
8.0.10.0000.00716.94
8.0.00.0070.01216.65
7.4.330.0000.00515.08
7.4.320.0000.00616.54
7.4.300.0060.00016.44
7.4.290.0000.00716.58
7.4.280.0040.00416.59
7.4.270.0030.00316.50
7.4.260.0070.00016.47
7.4.250.0050.00216.47
7.4.240.0040.00416.46
7.4.230.0000.00716.57
7.4.220.0110.00716.53
7.4.210.0080.00616.57
7.4.200.0070.00016.52
7.4.160.0070.01116.25
7.4.150.0170.00717.40
7.4.140.0100.01117.86
7.4.130.0080.01216.52
7.4.120.0090.00816.49
7.4.110.0130.00316.53
7.4.100.0090.00916.59
7.4.90.0100.01016.39
7.4.80.0130.00919.39
7.4.70.0100.00616.51
7.4.60.0060.00916.29
7.4.50.0030.00616.45
7.4.40.0080.01516.50
7.4.30.0100.01316.54
7.4.00.0090.00914.81
7.3.330.0000.00513.23
7.3.320.0000.00513.13
7.3.310.0070.00016.12
7.3.300.0050.00316.21
7.3.290.0000.00716.11
7.3.280.0130.00716.22
7.3.270.0090.00917.40
7.3.260.0120.00416.54
7.3.250.0080.00916.42
7.3.240.0080.00816.46
7.3.230.0100.01316.39
7.3.210.0110.00816.29
7.3.200.0080.01219.39
7.3.190.0130.01016.51
7.3.180.0130.00616.37
7.3.170.0030.01316.54
7.3.160.0070.01016.30
7.3.120.0060.01314.80
7.3.110.0100.00814.71
7.3.100.0030.01014.98
7.3.90.0050.00814.59
7.3.80.0090.00314.65
7.3.70.0060.00614.72
7.3.60.0030.00814.75
7.3.50.0070.00414.83
7.3.40.0030.00914.68
7.3.30.0070.00614.72
7.3.20.0100.00316.68
7.3.10.0050.00816.56
7.3.00.0110.00416.55
7.2.330.0170.00316.65
7.2.320.0080.00816.71
7.2.310.0110.00716.61
7.2.300.0070.01016.72
7.2.290.0140.00316.64
7.2.250.0080.01014.99
7.2.240.0110.01014.79
7.2.230.0030.01114.86
7.2.220.0050.01015.06
7.2.210.0030.01014.76
7.2.200.0060.00815.11
7.2.190.0020.01414.82
7.2.180.0070.00714.90
7.2.170.0080.00714.99
7.2.60.0090.00616.93
7.2.00.0030.00919.53
7.1.330.0020.01215.74
7.1.320.0050.00815.61
7.1.310.0070.00615.66
7.1.300.0090.00715.85
7.1.290.0050.01015.79
7.1.280.0030.00815.77
7.1.270.0020.01315.60
7.1.260.0060.00715.89
7.1.200.0030.00815.66
7.1.100.0040.00718.23
7.1.70.0070.00717.17
7.1.60.0100.01320.03
7.1.50.0000.01417.00
7.1.00.0000.08022.45
7.0.200.0000.00716.79
7.0.60.0100.08019.92
7.0.50.0070.07017.83
7.0.40.0100.04020.08
7.0.30.0200.05020.10
7.0.20.0430.03020.05
7.0.10.0370.05020.12
7.0.00.0070.04020.33
5.6.280.0100.06720.93
5.6.210.0130.07020.48
5.6.200.0000.07018.28
5.6.190.0130.08020.57
5.6.180.0100.07020.55
5.6.170.0300.08020.55
5.6.160.0070.08320.50
5.6.150.0100.05718.12
5.6.140.0000.04318.17
5.6.130.0000.05318.14
5.6.120.0070.04320.95
5.6.110.0100.07020.96
5.6.100.0170.04720.98
5.6.90.0100.08720.88
5.6.80.0030.06320.40
5.6.70.1700.07020.35
5.5.350.0100.06020.29
5.5.340.0130.08017.99
5.5.330.0000.04320.23
5.5.320.0000.04320.27
5.5.310.0230.07720.32
5.5.300.0070.03718.01
5.5.290.0030.07017.96
5.5.280.0130.07320.68
5.5.270.0130.04020.73
5.5.260.0100.04020.88
5.5.250.0170.07720.58
5.5.240.0100.03020.12
5.4.450.0200.04719.62
5.4.440.0170.06719.34
5.4.430.0070.06019.43
5.4.420.0100.05719.16
5.4.410.0200.05719.32
5.4.400.0170.05019.24
5.4.390.0070.06318.98
5.4.380.0130.05319.23
5.4.370.0270.04319.16
5.4.360.0270.04719.23
5.4.350.0130.05019.15
5.4.340.0170.05019.06
5.4.320.0070.06319.27
5.4.310.0200.04719.30
5.4.300.0170.05019.03
5.4.290.0130.05018.97
5.4.280.0170.05019.14
5.4.270.0130.05319.25
5.4.260.0200.04319.28
5.4.250.0200.04319.26
5.4.240.0070.05319.13
5.4.230.0100.05319.27
5.4.220.0170.05019.36
5.4.210.0200.04719.02
5.4.200.0100.05016.80
5.4.190.0100.05719.02
5.4.180.0130.06019.16
5.4.170.0100.06019.17
5.4.160.0200.06019.00
5.4.150.0230.04319.14
5.4.140.0130.04716.38
5.4.130.0230.03716.38
5.4.120.0200.05316.49
5.4.110.0170.04016.37
5.4.100.0700.05316.57
5.4.90.0170.05316.44
5.4.80.0100.05016.52
5.4.70.0130.05016.47
5.4.60.0130.05316.28
5.4.50.0200.04716.36
5.4.40.0170.05316.48
5.4.30.0170.05316.27
5.4.20.0170.05316.50
5.4.10.0230.04716.50
5.4.00.0270.04315.89

preferences:
86.39 ms | 400 KiB | 5 Q