3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($blah1, &$blah2){ $blah1 = 42; $blah2 = 42; } test($undeclared1,$undeclared2);

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)
8.3.60.0060.01218.31
8.3.50.0110.00317.93
8.3.40.0120.00318.63
8.3.30.0080.00818.42
8.3.20.0040.00418.91
8.3.10.0080.00021.60
8.3.00.0030.00519.56
8.2.180.0100.01016.75
8.2.170.0110.00722.96
8.2.160.0080.00618.95
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0090.00026.16
8.2.120.0030.00521.11
8.2.110.0100.00019.30
8.2.100.0060.00617.49
8.2.90.0040.00419.05
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0000.00817.91
8.2.50.0000.00818.10
8.2.40.0000.00820.64
8.2.30.0000.00719.24
8.2.20.0030.00618.08
8.2.10.0020.00517.98
8.2.00.0000.00718.06
8.1.280.0110.00725.92
8.1.270.0050.00324.01
8.1.260.0090.00026.35
8.1.250.0050.00328.09
8.1.240.0060.00321.25
8.1.230.0000.01219.04
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0040.00717.23
8.1.190.0000.00917.10
8.1.180.0080.00018.10
8.1.170.0040.00418.50
8.1.160.0000.00718.73
8.1.150.0000.00719.94
8.1.140.0000.00719.46
8.1.130.0030.00318.70
8.1.120.0000.00717.42
8.1.110.0050.00217.30
8.1.100.0040.00417.30
8.1.90.0000.00717.42
8.1.80.0030.00317.43
8.1.70.0030.00517.46
8.1.60.0040.00417.59
8.1.50.0030.00617.49
8.1.40.0000.00817.40
8.1.30.0000.00817.59
8.1.20.0000.00717.63
8.1.10.0040.00417.50
8.1.00.0030.00617.43
8.0.300.0070.00019.92
8.0.290.0000.00716.75
8.0.280.0040.00418.29
8.0.270.0030.00316.82
8.0.260.0030.00318.91
8.0.250.0030.00316.89
8.0.240.0040.00416.94
8.0.230.0040.00416.85
8.0.220.0070.00016.88
8.0.210.0030.00316.90
8.0.200.0040.00416.92
8.0.190.0030.00816.89
8.0.180.0040.00416.91
8.0.170.0050.00216.92
8.0.160.0040.00416.96
8.0.150.0000.00716.87
8.0.140.0030.00316.83
8.0.130.0030.00613.34
8.0.120.0030.00616.75
8.0.110.0040.00416.82
8.0.100.0000.00716.75
8.0.90.0040.00416.95
8.0.80.0070.00716.76
8.0.70.0000.00716.70
8.0.60.0060.00316.85
8.0.50.0020.00516.87
8.0.30.0130.00517.03
8.0.20.0130.00517.40
8.0.10.0000.00816.88
8.0.00.0080.01116.69
7.4.330.0050.00015.55
7.4.320.0030.00316.29
7.4.300.0070.00016.58
7.4.290.0050.00216.61
7.4.280.0040.00416.47
7.4.270.0000.00716.50
7.4.260.0000.00716.46
7.4.250.0050.00216.41
7.4.240.0040.00416.41
7.4.230.0030.00316.39
7.4.220.0060.01216.55
7.4.210.0050.01016.62
7.4.200.0000.00816.50
7.4.160.0030.01316.71
7.4.150.0030.01417.40
7.4.140.0140.00617.86
7.4.130.0110.01116.43
7.4.120.0080.01516.51
7.4.110.0160.00416.50
7.4.100.0150.00316.61
7.4.90.0110.00716.53
7.4.80.0090.01319.39
7.4.70.0110.00716.34
7.4.60.0090.00616.51
7.4.50.0030.01116.46
7.4.40.0040.01116.55
7.4.30.0110.01116.34
7.4.00.0070.00714.86
7.3.330.0000.00513.15
7.3.320.0000.00513.29
7.3.310.0000.00716.25
7.3.300.0000.00716.29
7.3.290.0070.00016.25
7.3.280.0090.00816.26
7.3.270.0100.01217.40
7.3.260.0140.01616.43
7.3.250.0150.00416.29
7.3.240.0120.00816.37
7.3.230.0060.01516.22
7.3.210.0130.00616.44
7.3.200.0100.01016.20
7.3.190.0040.01216.29
7.3.180.0060.00916.23
7.3.170.0060.00916.41
7.3.160.0030.01316.54
7.3.120.0080.00414.51
7.3.110.0000.01914.94
7.3.100.0060.00914.88
7.3.90.0000.01414.73
7.3.80.0100.00014.85
7.3.70.0030.00914.89
7.3.60.0060.00614.63
7.3.50.0060.01014.93
7.3.40.0070.01014.75
7.3.30.0070.00714.77
7.3.20.0090.00616.76
7.3.10.0100.00716.63
7.3.00.0100.00716.72
7.2.330.0040.01416.25
7.2.320.0100.01016.58
7.2.310.0040.01816.41
7.2.300.0120.00316.47
7.2.290.0150.00616.17
7.2.240.0130.00314.63
7.2.230.0060.01014.81
7.2.220.0030.01015.06
7.2.210.0040.00715.01
7.2.200.0070.00314.82
7.2.190.0080.00814.63
7.2.180.0060.00614.65
7.2.170.0030.01314.70
7.2.160.0060.00314.91
7.2.150.0060.01016.89
7.2.140.0100.00616.55
7.2.130.0070.00716.52
7.2.120.0120.00316.70
7.2.110.0040.01116.70
7.2.100.0030.00716.79
7.2.90.0060.01216.68
7.2.80.0030.00916.82
7.2.70.0080.00816.79
7.2.60.0040.00816.73
7.2.50.0120.00316.86
7.2.40.0040.01116.73
7.2.30.0110.00016.46
7.2.20.0070.00716.85
7.2.10.0040.01116.91
7.2.00.0050.00516.77
7.1.330.0030.01215.67
7.1.320.0110.00315.89
7.1.310.0110.00315.61
7.1.300.0030.01015.76
7.1.290.0070.01015.49
7.1.280.0100.00715.54
7.1.270.0030.01315.63
7.1.260.0120.00315.71
7.1.250.0070.00715.72
7.1.200.0000.01115.70
7.1.70.0030.00316.77
7.1.60.0050.00517.11
7.1.50.0300.01332.50
7.1.40.0300.01032.32
7.1.30.0300.01732.60
7.1.20.0300.01032.43
7.1.10.0270.01014.47
7.1.00.0130.01014.39
7.0.200.0030.01016.76
7.0.190.0200.01314.56
7.0.180.0130.01314.27
7.0.170.0200.00714.18
7.0.160.0170.00714.02
7.0.150.0130.01014.27
7.0.140.0170.00714.17
7.0.130.0130.01014.51
7.0.120.0100.01314.65
7.0.110.0230.00014.24
7.0.100.0130.01014.18
7.0.90.0070.01014.14
7.0.80.0170.00714.27
7.0.70.0130.01014.39
7.0.60.0200.00313.81
7.0.50.0170.00714.46
7.0.40.0100.01314.21
7.0.30.0270.00714.43
7.0.20.1100.01014.27
7.0.10.0200.00714.30
7.0.00.0100.01314.14

preferences:
38.73 ms | 400 KiB | 5 Q