3v4l.org

run code in 300+ PHP versions simultaneously
<?php register_shutdown_function(function() { var_dump($GLOBALS['a']); }); $a = 'asdsad'; while(true) $a .= str_repeat('adasdsad', 10000000);

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)
8.3.40.0070.00718.66
8.3.30.0090.00618.67
8.3.20.0000.00820.21
8.3.10.0070.00021.95
8.3.00.0070.00023.36
8.2.170.0090.00922.96
8.2.160.0070.01020.39
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00020.82
8.2.120.0000.00826.35
8.2.110.0000.00919.40
8.2.100.0040.00718.01
8.2.90.0040.00419.05
8.2.80.0030.00617.97
8.2.70.0000.00917.61
8.2.60.0090.00017.93
8.2.50.0040.00418.09
8.2.40.0030.00522.30
8.2.30.0080.00019.35
8.2.20.0040.00417.80
8.2.10.0050.00318.13
8.2.00.0040.00418.16
8.1.270.0090.00622.20
8.1.260.0100.00028.09
8.1.250.0000.00828.09
8.1.240.0090.00022.54
8.1.230.0000.01117.77
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.23
8.1.190.0000.00817.35
8.1.180.0030.00518.10
8.1.170.0040.00418.57
8.1.160.0000.00720.66
8.1.150.0000.00818.73
8.1.140.0040.00419.44
8.1.130.0030.00317.62
8.1.120.0030.00517.34
8.1.110.0040.00417.36
8.1.100.0040.00417.31
8.1.90.0030.00617.46
8.1.80.0000.00717.38
8.1.70.0050.00317.36
8.1.60.0040.00417.51
8.1.50.0040.00417.59
8.1.40.0110.00017.47
8.1.30.0050.00317.65
8.1.20.0050.00317.55
8.1.10.0040.00417.46
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0000.00816.75
8.0.280.0070.00018.44
8.0.270.0000.00717.18
8.0.260.0040.00417.16
8.0.250.0030.00316.98
8.0.240.0040.00416.97
8.0.230.0030.00317.04
8.0.220.0030.00316.96
8.0.210.0000.00716.96
8.0.200.0050.00217.00
8.0.190.0130.00016.94
8.0.180.0070.00016.86
8.0.170.0000.00717.01
8.0.160.0030.00316.94
8.0.150.0080.00016.95
8.0.140.0000.00716.93
8.0.130.0360.00389.43
8.0.120.0040.00416.89
8.0.110.0040.00416.95
8.0.100.0030.00616.90
8.0.90.0000.00716.73
8.0.80.0120.00616.99
8.0.70.0040.00416.95
8.0.60.0040.00416.96
8.0.50.0040.00416.80
8.0.30.0070.01217.07
8.0.20.0110.01017.40
8.0.10.0070.00017.03
8.0.00.0100.00816.78
7.4.330.0060.00016.79
7.4.320.0030.00316.47
7.4.300.0050.00516.58
7.4.290.0030.00316.49
7.4.280.0040.00416.59
7.4.270.0030.00316.48
7.4.260.0000.00716.47
7.4.250.0070.00016.60
7.4.240.0050.00316.59
7.4.230.0000.00716.59
7.4.220.0060.01316.70
7.4.210.0070.01016.52
7.4.200.0030.00316.62
7.4.160.0100.00716.52
7.4.150.0160.00217.40
7.4.140.0080.01017.86
7.4.130.0120.01016.45
7.4.120.0100.00716.44
7.4.110.0080.00816.44
7.4.100.0200.00316.56
7.4.90.0090.00916.53
7.4.80.0140.00319.39
7.4.70.0090.01416.61
7.4.60.0120.00616.52
7.4.50.0120.00616.69
7.4.40.0160.00316.48
7.4.30.0130.01016.60
7.4.00.0120.00315.07
7.3.330.0480.01089.20
7.3.320.0340.00389.30
7.3.310.0040.00416.17
7.3.300.0030.00316.23
7.3.290.0130.00516.40
7.3.280.0100.01016.37
7.3.270.0090.01017.40
7.3.260.0110.00716.39
7.3.250.0090.00916.38
7.3.240.0110.00516.43
7.3.230.0160.00616.39
7.3.210.0040.01416.41
7.3.200.0100.00719.39
7.3.190.0120.00316.47
7.3.180.0030.01316.44
7.3.170.0060.00916.64
7.3.160.0090.00616.51
7.3.120.0000.01614.58
7.3.110.0200.00014.84
7.3.100.0100.00714.99
7.3.90.0000.01414.75
7.3.80.0040.01114.83
7.3.70.0080.00414.58
7.3.60.0030.01014.67
7.3.50.0080.00414.79
7.3.40.0000.01514.75
7.3.30.0000.01214.68
7.3.20.0100.00716.73
7.3.10.0030.01016.70
7.3.00.0060.00616.66
7.2.330.0030.01416.40
7.2.320.0090.00816.73
7.2.310.0100.00616.55
7.2.300.0000.01616.43
7.2.290.0070.01316.50
7.2.250.0090.01215.20
7.2.240.0090.01215.23
7.2.230.0030.01314.91
7.2.220.0040.01114.86
7.2.210.0130.00315.04
7.2.200.0100.00314.97
7.2.190.0060.01014.92
7.2.180.0070.01115.06
7.2.170.0030.00715.06
7.2.160.0030.01014.87
7.2.150.0070.00716.71
7.2.140.0110.00316.73
7.2.130.0070.01016.60
7.2.120.0030.01016.87
7.2.110.0140.00516.65
7.2.100.0080.00316.72
7.2.90.0080.00716.73
7.2.80.0070.00716.63
7.2.70.0050.00716.83
7.2.60.0040.01016.82
7.2.50.0030.01016.89
7.2.40.0040.00816.87
7.2.30.0000.01316.66
7.2.20.0020.01217.00
7.2.10.0020.01416.73
7.2.00.0040.00917.62
7.1.330.0130.00015.50
7.1.320.0060.00615.56
7.1.310.0030.00915.75
7.1.300.0030.00715.64
7.1.290.0060.00615.69
7.1.280.0100.00615.64
7.1.270.0080.00615.72
7.1.260.0000.00915.93
7.1.250.0030.01215.42
7.1.240.0000.01315.63
7.1.230.0100.00515.82
7.1.220.0030.01015.62
7.1.210.0090.00315.60
7.1.200.0030.00915.77
7.1.190.0010.01315.70
7.1.180.0050.00515.75
7.1.170.0040.00915.71
7.1.160.0060.00515.76
7.1.150.0060.00515.58
7.1.140.0040.00715.63
7.1.130.0080.00815.75
7.1.120.0100.00515.65
7.1.110.0030.01115.83
7.1.100.0020.00916.47
7.1.90.0070.00615.64
7.1.80.0070.00815.78
7.1.70.0050.00616.20
7.1.60.0070.01017.04
7.1.50.0060.01016.14
7.1.40.0080.00715.73
7.1.30.0060.00615.83
7.1.20.0050.00915.69
7.1.10.0070.00415.80
7.1.00.0050.03018.00
7.0.330.0040.00715.26
7.0.320.0000.00915.00
7.0.310.0020.00915.18
7.0.300.0040.00715.31
7.0.290.0090.00415.16
7.0.280.0020.01315.32
7.0.270.0080.00715.34
7.0.260.0050.00814.97
7.0.250.0020.00815.18
7.0.240.0070.00715.29
7.0.230.0070.00315.33
7.0.220.0030.00815.31
7.0.210.0060.00515.26
7.0.200.0010.01115.64
7.0.190.0030.01015.24
7.0.180.0060.00815.30
7.0.170.0020.01015.06
7.0.160.0070.00215.24
7.0.150.0050.00815.32
7.0.140.0050.00615.31
7.0.130.0060.00615.15
7.0.120.0090.00515.17
7.0.110.0050.00815.41
7.0.100.0100.02216.73
7.0.90.0070.03216.91
7.0.80.0060.03016.80
7.0.70.0100.02616.89
7.0.60.0060.02916.77
7.0.50.0060.02317.10
7.0.40.0060.02515.53
7.0.30.0040.03515.52
7.0.20.0060.02015.52
7.0.10.0080.02715.47
7.0.00.0070.02515.63
5.6.400.0040.00713.79
5.6.390.0030.01014.54
5.6.380.0040.01014.45
5.6.370.0050.00814.60
5.6.360.0090.00514.54
5.6.350.0070.00714.38
5.6.340.0050.00913.85
5.6.330.0100.00614.33
5.6.320.0050.00814.27
5.6.310.0040.00714.50
5.6.300.0060.00414.30
5.6.290.0040.00614.39
5.6.280.0030.01816.58
5.6.270.0040.01014.44
5.6.260.0060.00714.29
5.6.250.0030.03516.37
5.6.240.0040.02616.40
5.6.230.0060.02216.41
5.6.220.0060.03016.42
5.6.210.0060.03316.35
5.6.200.0080.02916.58
5.6.190.0060.02916.56
5.6.180.0030.03416.65
5.6.170.0030.03616.58
5.6.160.0020.01916.52
5.6.150.0030.03116.50
5.6.140.0080.03016.48
5.6.130.0110.03016.59
5.6.120.0060.03016.47
5.6.110.0110.03116.54
5.6.100.0080.02816.54
5.6.90.0090.03316.53
5.6.80.0070.02816.24
5.6.70.0080.03016.34
5.6.60.0070.03216.29
5.6.50.0030.03516.33
5.6.40.0030.02416.27
5.6.30.0060.01616.30
5.6.20.0070.03016.28
5.6.10.0060.03416.23
5.6.00.0070.02916.25
5.5.380.0030.03015.18
5.5.370.0030.02415.29
5.5.360.0100.01715.27
5.5.350.0060.02915.29
5.5.340.0050.02815.54
5.5.330.0040.03415.48
5.5.320.0110.02715.40
5.5.310.0050.02915.24
5.5.300.0070.03215.30
5.5.290.0050.03315.41
5.5.280.0050.03115.45
5.5.270.0060.03215.36
5.5.260.0020.02815.10
5.5.250.0060.02715.07
5.5.240.0100.02815.16
5.5.230.0040.03015.30
5.5.220.0070.02215.11
5.5.210.0080.02815.21
5.5.200.0110.02215.16
5.5.190.0030.02715.32
5.5.180.0050.03215.10
5.5.170.0050.00514.00
5.5.160.0090.02615.22
5.5.150.0030.03315.04
5.5.140.0080.02815.07
5.5.130.0070.03115.21
5.5.120.0080.02615.00
5.5.110.0040.03315.08
5.5.100.0050.03115.08
5.5.90.0060.02515.15
5.5.80.0070.03015.07
5.5.70.0060.02915.20
5.5.60.0020.02015.02
5.5.50.0090.02615.01
5.5.40.0060.02015.12
5.5.30.0080.02715.14
5.5.20.0080.02715.21
5.5.10.0040.02315.02
5.5.00.0060.02415.08

preferences:
42.14 ms | 400 KiB | 5 Q