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(); 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)
8.3.60.0110.00718.43
8.3.50.0140.00321.15
8.3.40.0060.01218.87
8.3.30.0110.00418.57
8.3.20.0060.01320.27
8.3.10.0000.00723.70
8.3.00.0050.00319.68
8.2.180.0040.01116.63
8.2.170.0140.00022.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0000.00724.66
8.2.130.0070.00726.16
8.2.120.0060.00617.38
8.2.110.0070.00320.99
8.2.100.0030.00717.91
8.2.90.0060.00317.77
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00818.04
8.2.50.0050.00318.07
8.2.40.0040.00421.14
8.2.30.0040.00419.81
8.2.20.0040.00417.60
8.2.10.0050.00217.97
8.2.00.0040.00417.84
8.1.280.0120.00625.92
8.1.270.0080.00020.20
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.61
8.1.230.0110.00020.90
8.1.220.0050.00317.74
8.1.210.0030.00718.77
8.1.200.0060.00617.35
8.1.190.0040.00417.13
8.1.180.0000.00818.10
8.1.170.0060.00318.53
8.1.160.0040.00421.98
8.1.150.0040.00418.85
8.1.140.0000.00817.38
8.1.130.0030.00317.63
8.1.120.0040.00417.30
8.1.110.0070.00017.35
8.1.100.0050.00317.41
8.1.90.0070.00017.24
8.1.80.0030.00717.41
8.1.70.0030.00317.34
8.1.60.0060.00317.41
8.1.50.0000.00817.52
8.1.40.0090.00017.47
8.1.30.0000.00817.69
8.1.20.0030.00517.62
8.1.10.0030.00517.41
8.1.00.0000.00717.36
8.0.300.0040.00419.98
8.0.290.0030.00516.58
8.0.280.0080.00018.39
8.0.270.0000.00717.15
8.0.260.0000.00817.23
8.0.250.0070.00016.82
8.0.240.0000.00716.93
8.0.230.0030.00516.77
8.0.220.0040.00416.71
8.0.210.0070.00016.82
8.0.200.0000.00616.89
8.0.190.0030.00616.84
8.0.180.0000.00716.87
8.0.170.0000.00716.79
8.0.160.0040.00416.85
8.0.150.0050.00216.84
8.0.140.0000.00716.79
8.0.130.0000.00513.23
8.0.120.0050.00316.68
8.0.110.0030.00516.71
8.0.100.0040.00416.63
8.0.90.0050.00216.84
8.0.80.0080.00816.80
8.0.70.0000.00716.61
8.0.60.0040.00416.88
8.0.50.0000.00716.64
8.0.30.0110.00817.02
8.0.20.0110.00817.40
8.0.10.0000.00816.82
8.0.00.0130.00716.63
7.4.330.0000.00515.08
7.4.320.0030.00316.45
7.4.300.0000.00716.52
7.4.290.0000.00716.59
7.4.280.0070.00016.40
7.4.270.0070.00016.60
7.4.260.0030.00316.47
7.4.250.0040.00416.55
7.4.240.0000.00716.40
7.4.230.0040.00416.52
7.4.220.0090.00916.59
7.4.210.0060.01116.57
7.4.200.0000.00716.61
7.4.160.0110.00716.57
7.4.150.0060.01117.40
7.4.140.0160.00917.86
7.4.130.0110.00916.58
7.4.120.0090.00916.47
7.4.110.0110.00716.36
7.4.100.0070.01416.23
7.4.90.0060.01016.39
7.4.80.0110.01119.39
7.4.70.0120.00316.49
7.4.60.0040.01216.39
7.4.50.0000.00916.32
7.4.40.0200.00416.78
7.4.30.0130.00316.48
7.4.00.0080.00714.93
7.3.330.0000.00613.24
7.3.320.0000.00513.16
7.3.310.0090.00016.04
7.3.300.0030.00316.27
7.3.290.0040.00416.19
7.3.280.0130.00616.22
7.3.270.0140.00317.40
7.3.260.0130.00316.38
7.3.250.0100.00616.33
7.3.240.0080.00816.34
7.3.230.0090.00916.39
7.3.210.0120.00916.46
7.3.200.0120.00919.39
7.3.190.0150.00316.18
7.3.180.0080.00816.28
7.3.170.0080.00816.41
7.3.160.0150.00016.29
7.3.120.0060.01314.64
7.3.110.0090.01114.68
7.3.100.0080.00514.74
7.3.90.0060.00814.71
7.3.80.0100.00314.86
7.3.70.0000.01014.55
7.3.60.0030.01414.78
7.3.50.0060.00814.72
7.3.40.0060.00714.81
7.3.30.0030.00714.58
7.3.20.0020.00916.48
7.3.10.0030.00816.71
7.3.00.0110.00216.69
7.2.330.0070.01016.59
7.2.320.0240.02816.66
7.2.310.0070.01016.77
7.2.300.0100.01016.43
7.2.290.0110.00616.71
7.2.250.0120.00414.97
7.2.240.0060.01014.92
7.2.230.0070.01015.04
7.2.220.0020.01215.08
7.2.210.0060.00815.13
7.2.200.0080.00314.93
7.2.190.0090.00914.85
7.2.180.0020.01314.93
7.2.170.0080.00415.06
7.2.160.0060.00614.97
7.2.150.0000.01517.03
7.2.140.0080.00416.96
7.2.130.0060.00616.89
7.2.120.0130.00016.86
7.2.110.0000.01416.90
7.2.100.0070.00416.59
7.2.90.0000.01216.94
7.2.80.0040.00816.84
7.2.70.0030.01216.95
7.2.60.0050.01016.73
7.2.50.0110.00417.05
7.2.40.0120.00017.02
7.2.30.0060.00316.88
7.2.20.0110.00017.08
7.2.10.0110.00416.81
7.2.00.0030.01018.03
7.1.330.0090.00715.72
7.1.320.0110.00315.68
7.1.310.0050.00915.79
7.1.300.0050.00915.48
7.1.290.0070.00415.71
7.1.280.0030.01015.62
7.1.270.0070.00515.76
7.1.260.0060.00515.54
7.1.250.0030.00715.81
7.1.240.0040.00715.48
7.1.230.0030.00615.96
7.1.220.0060.00915.57
7.1.210.0060.00915.97
7.1.200.0050.00515.51
7.1.190.0110.00415.70
7.1.180.0110.00415.75
7.1.170.0040.00715.66
7.1.160.0040.00715.41
7.1.150.0000.01015.80
7.1.140.0070.00415.64
7.1.130.0070.00715.71
7.1.120.0070.00715.54
7.1.110.0030.00615.74
7.1.100.0030.00816.98
7.1.90.0070.00715.86
7.1.80.0030.01215.96
7.1.70.0080.00616.36
7.1.60.0070.01217.67
7.1.50.0050.01216.38
7.1.40.0110.00015.95
7.1.30.0100.00715.48
7.1.20.0100.00715.64
7.1.10.0060.00615.97
7.1.00.0080.03719.04
7.0.330.0000.00815.43
7.0.320.0030.01215.32
7.0.310.0040.00415.20
7.0.300.0000.01215.37
7.0.290.0060.00615.50
7.0.280.0000.00815.46
7.0.270.0040.00815.36
7.0.260.0070.00715.41
7.0.250.0090.00615.50
7.0.240.0000.01315.59
7.0.230.0030.00615.31
7.0.220.0030.00615.57
7.0.210.0030.00915.60
7.0.200.0060.00116.21
7.0.190.0030.00615.57
7.0.180.0030.01015.45
7.0.170.0000.01415.24
7.0.160.0000.01215.41
7.0.150.0030.01315.23
7.0.140.0090.00315.50
7.0.130.0080.00815.45
7.0.120.0030.00615.43
7.0.110.0030.00615.55
7.0.100.0030.01015.20
7.0.90.0040.01115.43
7.0.80.0090.00315.36
7.0.70.0000.01115.63
7.0.60.0110.03417.70
7.0.50.0100.03016.61
7.0.40.0040.02816.80
7.0.30.0170.04516.70
7.0.20.0120.03016.78
7.0.10.0050.02516.62
7.0.00.0050.04516.92
5.6.400.0070.00714.32
5.6.390.0030.00714.13
5.6.380.0110.00314.37
5.6.370.0040.01414.49
5.6.360.0060.00314.25
5.6.350.0030.01014.39
5.6.340.0090.00314.61
5.6.330.0050.00314.13
5.6.320.0060.00814.60
5.6.310.0030.00914.41
5.6.300.0030.00614.30
5.6.290.0100.00314.35
5.6.280.0020.02217.80
5.6.270.0070.00714.51
5.6.260.0070.00714.16
5.6.250.0090.00314.43
5.6.240.0100.00314.41
5.6.230.0000.01614.52
5.6.220.0090.00314.25
5.6.210.0030.04117.41
5.6.200.0050.02316.27
5.6.190.0080.02217.57
5.6.180.2230.02517.39
5.6.170.0150.02717.28
5.6.160.0070.04717.24
5.6.150.0060.04016.23
5.6.140.0120.02816.33
5.6.130.0070.04516.41
5.6.120.0020.04817.75
5.6.110.0060.02417.55
5.6.100.0080.04117.68
5.6.90.0000.05117.77
5.6.80.0070.04017.31
5.6.70.2400.02517.25
5.6.60.0040.01214.29
5.6.50.0030.00614.16
5.6.40.0060.00913.99
5.6.30.0040.00413.93
5.6.20.0030.01014.23
5.6.10.0000.01314.28
5.6.00.0120.00314.28
5.5.380.0000.01414.50
5.5.370.0100.00614.24
5.5.360.0000.01214.13
5.5.350.0080.03317.42
5.5.340.0030.02316.08
5.5.330.0080.04317.35
5.5.320.0160.03517.19
5.5.310.0150.04217.33
5.5.300.0090.03216.13
5.5.290.0100.01816.02
5.5.280.0050.04517.63
5.5.270.0120.04217.63
5.5.260.0050.04817.69
5.5.250.0130.03617.36
5.5.240.0180.03517.12
5.5.230.0080.00613.99
5.5.220.0100.00314.39
5.5.210.0030.00914.08
5.5.200.0070.01014.14
5.5.190.0070.00714.23
5.5.180.0030.01014.17
5.5.170.0110.00414.13
5.5.160.0100.00713.95
5.5.150.0090.00014.36
5.5.140.0000.01314.09
5.5.130.0080.00414.33
5.5.120.0060.00314.28
5.5.110.0030.00914.30
5.5.100.0040.01114.28
5.5.90.0060.00313.91
5.5.80.0110.00014.25
5.5.70.0030.00614.00
5.5.60.0060.01214.26
5.5.50.0000.01014.21
5.5.40.0030.01014.26
5.5.30.0030.00814.08
5.5.20.0000.01214.04
5.5.10.0030.00914.21
5.5.00.0070.00714.36
5.4.450.0250.03116.05
5.4.440.0060.04316.10
5.4.430.0050.03116.10
5.4.420.0310.02016.03
5.4.410.0270.03315.99
5.4.400.0310.02815.94
5.4.390.0300.03815.89
5.4.380.0300.03515.96
5.4.370.0270.03515.94
5.4.360.0270.03615.95
5.4.350.0350.03515.89
5.4.340.0300.02915.83
5.4.330.0060.00312.64
5.4.320.0250.04016.00
5.4.310.0270.02915.93
5.4.300.0180.02815.82
5.4.290.0370.03215.96
5.4.280.0320.04015.96
5.4.270.0400.03015.96
5.4.260.0220.03115.90
5.4.250.0230.02815.96
5.4.240.0150.03715.89
5.4.230.0080.03215.95
5.4.220.0080.03415.95
5.4.210.0250.02815.82
5.4.200.0220.03614.78
5.4.190.0340.02015.77
5.4.180.0350.02815.87
5.4.170.0300.02915.81
5.4.160.0150.03315.77
5.4.150.0190.03415.80
5.4.140.0300.02514.61
5.4.130.0020.03414.60
5.4.120.0200.02914.54
5.4.110.0180.03414.65
5.4.100.0030.03214.56
5.4.90.0110.02814.71
5.4.80.0100.02714.49
5.4.70.0150.02714.62
5.4.60.0100.03214.48
5.4.50.0310.02914.53
5.4.40.0380.02314.59
5.4.30.0080.02714.56
5.4.20.0320.02814.57
5.4.10.0320.03314.56
5.4.00.0300.02814.22

preferences:
59.74 ms | 401 KiB | 5 Q