3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = 444; $var2 = 444; $test = function() use(&$var1, &$var2){ $var1 = $var1; // & not specified $var2_local = $var2; // & not specified $var1 = 333; $var2_local = 333; }; $test(); var_dump($var1); var_dump($var2);

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)
8.5.30.0090.01121.35
8.5.20.0130.00520.05
8.5.10.0110.00619.27
8.5.00.0120.01020.06
8.4.180.0170.00519.69
8.4.170.0100.01020.68
8.4.160.0150.00621.52
8.4.150.0060.00616.79
8.4.140.0120.00917.58
8.4.130.0090.01322.07
8.4.120.0110.00920.53
8.4.110.0090.01120.52
8.4.100.0040.00417.72
8.4.90.0070.00920.48
8.4.80.0050.00418.74
8.4.70.0110.00922.37
8.4.60.0140.00918.66
8.4.50.0060.00218.48
8.4.40.0040.00417.48
8.4.30.0200.00019.27
8.4.20.0100.01019.33
8.4.10.0030.00717.95
8.3.300.0110.00920.70
8.3.290.0130.00820.75
8.3.280.0120.00918.29
8.3.270.0130.00816.57
8.3.260.0140.00516.36
8.3.250.0130.00518.81
8.3.240.0110.00816.96
8.3.230.0090.00616.56
8.3.220.0040.00418.85
8.3.210.0050.00316.83
8.3.200.0040.00516.80
8.3.190.0140.00717.03
8.3.180.0130.00516.38
8.3.170.0150.00017.22
8.3.160.0100.00719.95
8.3.150.0070.01317.29
8.3.140.0060.00317.08
8.3.130.0000.00818.32
8.3.120.0090.00018.89
8.3.110.0050.00320.94
8.3.100.0060.00324.06
8.3.90.0070.01126.77
8.3.80.0060.00316.63
8.3.70.0090.00616.58
8.3.60.0130.00316.36
8.3.50.0100.01021.08
8.3.40.0060.00918.67
8.3.30.0040.01218.90
8.3.20.0040.00420.34
8.3.10.0000.00821.60
8.3.00.0070.00023.47
8.2.300.0110.01122.29
8.2.290.0100.00820.32
8.2.280.0100.00818.61
8.2.270.0070.01117.34
8.2.260.0060.00318.16
8.2.250.0050.00318.47
8.2.240.0050.00517.12
8.2.230.0040.00422.58
8.2.220.0090.00037.54
8.2.210.0080.00026.77
8.2.200.0060.00318.41
8.2.190.0110.00418.29
8.2.180.0110.00425.92
8.2.170.0120.00318.82
8.2.160.0140.00419.15
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00822.27
8.2.120.0090.00026.35
8.2.110.0030.00619.27
8.2.100.0040.00817.93
8.2.90.0050.00319.17
8.2.80.0060.00317.97
8.2.70.0090.00017.63
8.2.60.0030.00717.92
8.2.50.0040.00418.10
8.2.40.0000.00720.59
8.2.30.0000.00819.12
8.2.20.0000.00718.12
8.2.10.0050.00218.07
8.2.00.0040.00418.38
8.1.340.0040.00617.56
8.1.330.0130.00523.72
8.1.320.0080.01116.14
8.1.310.0090.00918.51
8.1.300.0090.00917.67
8.1.290.0120.00330.84
8.1.280.0110.00425.92
8.1.270.0060.00323.97
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0070.00322.48
8.1.230.0110.00017.42
8.1.220.0000.00917.79
8.1.210.0000.00818.77
8.1.200.0040.00417.36
8.1.190.0030.00517.23
8.1.180.0000.00818.10
8.1.170.0040.00418.66
8.1.160.0020.00518.84
8.1.150.0020.00520.08
8.1.140.0070.00019.49
8.1.130.0040.00419.01
8.1.120.0050.00217.34
8.1.110.0030.00517.46
8.1.100.0030.00617.35
8.1.90.0070.00417.34
8.1.80.0040.00417.49
8.1.70.0000.01017.49
8.1.60.0070.00017.55
8.1.50.0050.00317.50
8.1.40.0000.00817.42
8.1.30.0000.00717.68
8.1.20.0070.00017.54
8.1.10.0070.00017.56
8.1.00.0050.00617.48
8.0.300.0040.00418.77
8.0.290.0080.00016.58
8.0.280.0000.00718.49
8.0.270.0040.00417.25
8.0.260.0030.00317.30
8.0.250.0030.00616.98
8.0.240.0130.00016.93
8.0.230.0040.00416.95
8.0.220.0030.00316.78
8.0.210.0070.00016.79
8.0.200.0030.00316.77
8.0.190.0000.00816.82
8.0.180.0040.00416.89
8.0.170.0030.00316.81
8.0.160.0050.00216.91
8.0.150.0050.00316.70
8.0.140.0070.00016.74
8.0.130.0030.00313.34
8.0.120.0040.00416.83
8.0.110.0030.00516.76
8.0.100.0040.00416.75
8.0.90.0040.00416.80
8.0.80.0000.01416.81
8.0.70.0000.00716.71
8.0.60.0050.00216.91
8.0.50.0040.00416.74
8.0.30.0140.00617.18
8.0.20.0140.00617.40
8.0.10.0040.00416.83
8.0.00.0140.00316.73
7.4.330.0060.00015.55
7.4.320.0000.00716.39
7.4.300.0030.00316.48
7.4.290.0070.00016.58
7.4.280.0000.00816.58
7.4.270.0000.00716.41
7.4.260.0030.00316.57
7.4.250.0030.00316.55
7.4.240.0030.00316.50
7.4.230.0070.00016.67
7.4.220.0120.00616.55
7.4.210.0130.00616.47
7.4.200.0030.00316.61
7.4.160.0140.00616.64
7.4.150.0060.01217.40
7.4.140.0130.01117.86
7.4.130.0140.00516.54
7.4.120.0110.01116.59
7.4.110.0130.01016.62
7.4.100.0100.00916.46
7.4.90.0170.00016.51
7.4.80.0130.00319.39
7.4.70.0150.00616.40
7.4.60.0060.00916.50
7.4.50.0070.00716.58
7.4.40.0110.00616.57
7.4.30.0150.00316.49
7.4.00.0080.01014.96
7.3.330.0030.00313.36
7.3.320.0000.00613.16
7.3.310.0000.00716.46
7.3.300.0030.00316.28
7.3.290.0080.00616.37
7.3.280.0100.00816.36
7.3.270.0090.00917.40
7.3.260.0060.01216.31
7.3.250.0120.00516.36
7.3.240.0090.01116.46
7.3.230.0160.00016.63
7.3.210.0060.01416.51
7.3.200.0100.00716.43
7.3.190.0200.00016.37
7.3.180.0040.01816.61
7.3.170.0090.00616.24
7.3.160.0070.01016.37
7.3.120.0110.00714.83
7.3.110.0070.01115.07
7.3.100.0090.00914.85
7.3.90.0090.00914.78
7.3.80.0070.01015.03
7.3.70.0110.00714.93
7.3.60.0090.00614.77
7.3.50.0030.01314.90
7.3.40.0070.00414.91
7.3.30.0070.01014.84
7.3.20.0070.00416.68
7.3.10.0100.00616.61
7.3.00.0040.00816.68
7.2.330.0130.01316.71
7.2.320.0180.00316.68
7.2.310.0090.00616.55
7.2.300.0160.00716.64
7.2.290.0110.01116.63
7.2.250.0110.00715.09
7.2.240.0160.00015.18
7.2.230.0110.00714.91
7.2.220.0060.00615.14
7.2.210.0100.00615.12
7.2.200.0070.00414.81
7.2.190.0030.01414.89
7.2.180.0060.00314.70
7.2.170.0070.00714.89
7.1.330.0030.01015.68
7.1.320.0030.00915.68
7.1.310.0000.01815.63
7.1.300.0030.01015.84
7.1.290.0100.00315.74
7.1.280.0000.00815.97
7.1.270.0080.00415.86
7.1.260.0070.00315.70
7.1.70.0060.00317.00
7.1.60.0060.00917.18
7.1.30.5600.06736.52
7.1.20.0270.08036.52
7.1.10.0200.06020.47
7.1.00.0130.05720.61
7.0.200.0000.00716.61
7.0.170.6770.08020.11
7.0.160.0170.07320.10
7.0.150.0100.06019.99
7.0.140.0030.06720.08
7.0.130.6170.05320.17
7.0.120.0100.06720.17
7.0.110.0130.07719.99
7.0.100.0170.07020.16
7.0.90.0170.07320.12
7.0.80.0170.07020.07
7.0.70.4070.07320.02
7.0.60.0170.06720.22
7.0.50.4930.07320.04
7.0.40.3270.06020.13
7.0.30.4100.06320.25
7.0.20.3970.07320.13
7.0.10.3130.05720.09
7.0.00.3470.06020.12

preferences:
99.74 ms | 1541 KiB | 5 Q