3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; @$b = $a + $a++; var_dump($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)
8.3.40.0090.00618.43
8.3.30.0100.00318.63
8.3.20.0040.00420.25
8.3.10.0040.00423.45
8.3.00.0040.00423.68
8.2.170.0140.00019.09
8.2.160.0100.00322.96
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0090.00019.85
8.2.120.0040.00426.35
8.2.110.0080.00322.30
8.2.100.0110.00018.03
8.2.90.0070.00019.08
8.2.80.0000.00818.04
8.2.70.0070.00017.46
8.2.60.0040.00417.80
8.2.50.0040.00418.07
8.2.40.0060.00322.27
8.2.30.0040.00419.51
8.2.20.0070.00017.75
8.2.10.0050.00318.11
8.2.00.0000.00718.04
8.1.270.0000.00922.24
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0040.00423.98
8.1.230.0040.00719.02
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0000.00917.13
8.1.180.0040.00418.10
8.1.170.0080.00018.40
8.1.160.0030.00320.67
8.1.150.0050.00218.88
8.1.140.0050.00319.68
8.1.130.0030.00317.70
8.1.120.0050.00217.49
8.1.110.0040.00417.35
8.1.100.0000.00717.46
8.1.90.0040.00417.37
8.1.80.0040.00417.35
8.1.70.0000.00717.44
8.1.60.0030.00517.54
8.1.50.0030.00517.56
8.1.40.0040.00417.48
8.1.30.0000.00817.70
8.1.20.0040.00417.54
8.1.10.0070.00017.48
8.1.00.0000.00817.49
8.0.300.0020.00518.77
8.0.290.0040.00416.75
8.0.280.0030.00318.45
8.0.270.0070.00017.14
8.0.260.0000.00617.15
8.0.250.0000.00716.94
8.0.240.0030.00317.00
8.0.230.0040.00416.92
8.0.220.0000.00716.82
8.0.210.0000.00816.88
8.0.200.0030.00316.84
8.0.190.0050.00316.99
8.0.180.0040.00416.87
8.0.170.0030.00616.95
8.0.160.0030.00416.91
8.0.150.0040.00416.87
8.0.140.0000.00916.73
8.0.130.0030.00313.34
8.0.120.0030.00616.86
8.0.110.0000.00716.92
8.0.100.0070.00016.92
8.0.90.0000.00816.84
8.0.80.0090.00616.90
8.0.70.0000.00716.87
8.0.60.0000.00717.00
8.0.50.0040.00416.93
8.0.30.0100.00617.03
8.0.20.0130.00817.40
8.0.10.0040.00417.05
8.0.00.0080.01216.66
7.4.330.0040.00415.08
7.4.320.0030.00316.43
7.4.300.0050.00316.48
7.4.290.0040.00416.63
7.4.280.0110.00016.49
7.4.270.0030.00316.52
7.4.260.0000.00816.63
7.4.250.0000.00716.48
7.4.240.0020.00516.50
7.4.230.0070.00016.43
7.4.220.0070.01316.62
7.4.210.0080.00716.55
7.4.200.0000.00616.30
7.4.160.0030.01316.39
7.4.150.0070.01017.40
7.4.140.0060.01117.86
7.4.130.0090.00816.53
7.4.120.0130.00916.46
7.4.110.0000.01616.57
7.4.100.0060.01516.45
7.4.90.0110.00616.41
7.4.80.0090.00919.39
7.4.70.0140.00316.47
7.4.60.0180.00516.67
7.4.50.0110.00016.52
7.4.40.0060.01216.39
7.4.30.0110.01216.65
7.4.10.0060.01014.44
7.4.00.0070.01014.92
7.3.330.0000.00513.00
7.3.320.0000.00513.02
7.3.310.0040.00416.32
7.3.300.0070.00016.19
7.3.290.0070.00016.16
7.3.280.0070.01016.20
7.3.270.0080.00817.40
7.3.260.0110.00616.24
7.3.250.0080.00916.36
7.3.240.0070.01016.47
7.3.230.0060.01616.39
7.3.210.0100.00716.42
7.3.200.0070.01319.39
7.3.190.0110.01816.63
7.3.180.0100.00616.30
7.3.170.0000.01516.30
7.3.160.0060.01316.20
7.3.130.0090.00914.86
7.3.120.0030.01314.76
7.3.110.0080.01214.75
7.3.100.0090.00314.64
7.3.90.0030.00714.71
7.3.80.0100.00614.94
7.3.70.0090.00614.70
7.3.60.0040.00714.63
7.3.50.0060.00614.90
7.3.40.0060.01214.75
7.3.30.0030.00714.84
7.3.20.0030.01316.80
7.3.10.0160.00316.55
7.3.00.0060.00916.58
7.2.330.0030.01516.75
7.2.320.0070.01116.83
7.2.310.0060.00916.68
7.2.300.0150.00916.58
7.2.290.0060.01216.68
7.2.260.0080.00814.94
7.2.250.0140.00414.93
7.2.240.0070.00715.02
7.2.230.0070.00714.73
7.2.220.0090.00314.91
7.2.210.0060.01215.05
7.2.200.0030.00614.69
7.2.190.0030.01214.88
7.2.180.0090.00614.86
7.2.170.0000.01515.11
7.2.160.0100.00314.85
7.2.150.0100.01016.77
7.2.140.0040.01416.84
7.2.130.0030.01016.83
7.2.120.0040.01117.01
7.2.110.0070.01116.77
7.2.100.0030.01016.84
7.2.90.0060.00816.92
7.2.80.0030.01016.81
7.2.70.0060.00616.87
7.2.60.0040.00616.70
7.2.50.0040.00416.80
7.2.40.0000.00916.98
7.2.30.0070.00316.81
7.2.20.0000.01516.79
7.2.10.0040.00416.73
7.2.00.0080.00618.06
7.1.330.0000.01415.68
7.1.320.0030.00815.68
7.1.310.0040.00715.45
7.1.300.0070.00315.71
7.1.290.0070.00715.73
7.1.280.0090.00915.47
7.1.270.0000.01215.49
7.1.260.0120.00615.89
7.1.250.0090.00915.94
7.1.240.0070.00715.79
7.1.230.0060.00615.85
7.1.220.0060.00315.35
7.1.210.0070.00715.48
7.1.200.0170.00715.53
7.1.190.0070.00715.61
7.1.180.0090.00315.75
7.1.170.0040.01115.67
7.1.160.0070.00715.62
7.1.150.0000.01315.56
7.1.140.0040.01115.77
7.1.130.0030.00715.71
7.1.120.0070.00715.68
7.1.110.0030.00615.55
7.1.100.0060.00516.90
7.1.90.0080.00315.59
7.1.80.0080.00015.45
7.1.70.0030.00816.22
7.1.60.0030.01517.54
7.1.50.0060.01316.27
7.1.40.0030.00615.92
7.1.30.0030.00915.68
7.1.20.0040.01115.56
7.1.10.0030.01415.33
7.1.00.0030.04519.05
7.0.330.0100.00315.53
7.0.320.0060.00315.28
7.0.310.0040.00415.27
7.0.300.0000.01315.53
7.0.290.0040.01115.32
7.0.280.0000.01315.22
7.0.270.0060.00315.46
7.0.260.0060.00915.31
7.0.250.0030.01015.50
7.0.240.0030.01015.53
7.0.230.0000.00715.30
7.0.220.0060.00315.37
7.0.210.0030.01315.49
7.0.200.0070.00516.03
7.0.190.0030.00715.48
7.0.180.0030.00615.25
7.0.170.0130.00015.32
7.0.160.0060.00915.48
7.0.150.0030.01015.36
7.0.140.0000.01215.35
7.0.130.0070.00715.38
7.0.120.0030.01015.53
7.0.110.0090.00415.43
7.0.100.0040.01115.41
7.0.90.0060.00615.28
7.0.80.0030.00915.45
7.0.70.0120.00315.30
7.0.60.0100.02318.50
7.0.50.0100.04316.57
7.0.40.0050.03416.66
7.0.30.0150.04216.89
7.0.20.0230.03016.80
7.0.10.0050.04516.81
7.0.00.0060.04516.91
5.6.400.0040.01514.19
5.6.390.0040.01214.48
5.6.380.0070.00313.93
5.6.370.0090.00614.32
5.6.360.0120.00314.60
5.6.350.0030.00614.40
5.6.340.0040.01014.19
5.6.330.0050.00514.37
5.6.320.0110.00413.89
5.6.310.0120.00614.20
5.6.300.0060.00614.39
5.6.290.0030.01014.63
5.6.280.0030.02217.65
5.6.270.0000.00914.05
5.6.260.0070.01014.13
5.6.250.0090.00614.39
5.6.240.0000.01614.50
5.6.230.0000.01314.19
5.6.220.0130.00014.42
5.6.210.0110.02017.33
5.6.200.0070.02816.17
5.6.190.0080.02817.37
5.6.180.0320.03617.52
5.6.170.0170.02217.39
5.6.160.0080.04717.34
5.6.150.0090.04116.27
5.6.140.0080.03616.39
5.6.130.0100.03616.28
5.6.120.0090.04217.73
5.6.110.0050.04717.48
5.6.100.0060.04317.64
5.6.90.0090.02717.68
5.6.80.0070.04017.29
5.6.70.0070.00714.37
5.6.60.0090.00314.40
5.6.50.0100.00314.38
5.6.40.0100.00314.15
5.6.30.0090.00014.17
5.6.20.0070.00714.26
5.6.10.0090.00914.07
5.6.00.0040.00414.15
5.5.380.0030.01014.41
5.5.370.0090.00614.42
5.5.360.0080.00314.33
5.5.350.0190.03917.29
5.5.340.0090.03316.11
5.5.330.0080.04417.41
5.5.320.0320.03417.16
5.5.310.0160.04617.20
5.5.300.0050.02616.03
5.5.290.0080.04416.07
5.5.280.0070.04617.50
5.5.270.0030.02817.65
5.5.260.0140.03317.41
5.5.250.0070.04517.58
5.5.240.0130.03917.23
5.5.230.0150.00014.03
5.5.220.0000.01214.12
5.5.210.0030.01014.27
5.5.200.0070.00414.39
5.5.190.0070.01014.37
5.5.180.0070.00714.01
5.5.170.0090.00913.86
5.5.160.0000.01414.09
5.5.150.0120.00013.89
5.5.140.0040.00914.24
5.5.130.0030.01114.32
5.5.120.0100.00014.26
5.5.110.0000.01314.11
5.5.100.0030.01214.29
5.5.90.0040.00814.19
5.5.80.0050.00813.89
5.5.70.0000.00814.42
5.5.60.0040.00413.98
5.5.50.0100.00714.38
5.5.40.0000.01014.07
5.5.30.0000.01314.33
5.5.20.0090.00613.94
5.5.10.0000.01013.92
5.5.00.0040.00814.20

preferences:
60.71 ms | 400 KiB | 5 Q