3v4l.org

run code in 300+ PHP versions simultaneously
<?php // $baz = 'baz'; function foo(&$var, $x) { echo $GLOBALS["baz"]; $var =& $x; } $bar = 'bar'; foo($bar); var_dump($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)
8.3.60.0070.01318.55
8.3.50.0070.01016.40
8.3.40.0040.01218.71
8.3.30.0160.00018.50
8.3.20.0080.00519.24
8.3.10.0050.00323.70
8.3.00.0070.00020.77
8.2.180.0100.01018.66
8.2.170.0100.00722.96
8.2.160.0030.01022.07
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0040.00420.39
8.2.120.0040.00426.35
8.2.110.0060.00320.39
8.2.100.0040.00817.63
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0030.00717.50
8.2.60.0040.00417.80
8.2.50.0060.00318.10
8.2.40.0000.00820.42
8.2.30.0000.00719.11
8.2.20.0040.00417.94
8.2.10.0060.00317.93
8.2.00.0000.00718.05
8.1.280.0070.01325.92
8.1.270.0080.00023.84
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0030.00622.56
8.1.230.0040.00719.07
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00817.36
8.1.190.0050.00317.22
8.1.180.0050.00318.10
8.1.170.0040.00418.58
8.1.160.0000.00718.98
8.1.150.0000.00718.82
8.1.140.0070.00319.51
8.1.130.0000.00718.79
8.1.120.0000.00717.41
8.1.110.0080.00017.32
8.1.100.0000.00817.43
8.1.90.0040.00417.37
8.1.80.0080.00017.38
8.1.70.0030.00317.28
8.1.60.0040.00417.63
8.1.50.0040.00417.45
8.1.40.0000.00717.50
8.1.30.0070.00017.64
8.1.20.0080.00017.64
8.1.10.0040.00417.45
8.1.00.0060.00317.47
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0000.00718.36
8.0.270.0030.00317.18
8.0.260.0040.00416.82
8.0.250.0060.00016.82
8.0.240.0040.00416.98
8.0.230.0000.00716.91
8.0.220.0030.00316.89
8.0.210.0060.00316.77
8.0.200.0030.00316.89
8.0.190.0090.00016.96
8.0.180.0040.00716.83
8.0.170.0040.00416.95
8.0.160.0000.00716.94
8.0.150.0040.00416.87
8.0.140.0070.00316.71
8.0.130.0000.00813.32
8.0.120.0040.00416.77
8.0.110.0000.00816.77
8.0.100.0040.00316.92
8.0.90.0000.00816.79
8.0.80.0100.01016.82
8.0.70.0040.00416.84
8.0.60.0000.00716.90
8.0.50.0000.00816.90
8.0.30.0090.00816.83
8.0.20.0100.01017.40
8.0.10.0070.00017.00
8.0.00.0070.01016.70
7.4.330.0050.00015.55
7.4.320.0030.00316.45
7.4.300.0000.00616.50
7.4.290.0000.00716.58
7.4.280.0040.00416.63
7.4.270.0030.00316.48
7.4.260.0050.00213.27
7.4.250.0070.00016.45
7.4.240.0030.00316.55
7.4.230.0000.00716.65
7.4.220.0090.01216.54
7.4.210.0030.01016.59
7.4.200.0040.00416.57
7.4.160.0060.01116.34
7.4.150.0060.01217.40
7.4.140.0080.00917.86
7.4.130.0130.01016.33
7.4.120.0110.00816.45
7.4.110.0070.01016.41
7.4.100.0140.00316.54
7.4.90.0060.01116.54
7.4.80.0160.00319.39
7.4.70.0090.00616.41
7.4.60.0090.00616.43
7.4.50.0040.00716.54
7.4.40.0040.01816.56
7.4.30.0170.00316.54
7.4.00.0080.00514.77
7.3.330.0000.00613.30
7.3.320.0000.00513.13
7.3.310.0000.00716.34
7.3.300.0000.00616.27
7.3.290.0100.00516.25
7.3.280.0090.00816.28
7.3.270.0140.01017.40
7.3.260.0130.00316.28
7.3.250.0100.01116.32
7.3.240.0100.00816.42
7.3.230.0090.01116.28
7.3.210.0130.00316.23
7.3.200.0060.01616.46
7.3.190.0130.00316.33
7.3.180.0130.00316.22
7.3.170.0060.01116.43
7.3.160.0030.01316.53
7.3.10.0030.01216.36
7.3.00.0060.00816.52
7.2.330.0090.00916.66
7.2.320.0040.01416.21
7.2.310.0060.01016.49
7.2.300.0070.01016.70
7.2.290.0000.01716.51
7.2.130.0060.00916.68
7.2.120.0060.00616.75
7.2.110.0040.00916.63
7.2.100.0070.00816.67
7.2.90.0030.01016.70
7.2.80.0060.00916.68
7.2.70.0030.01016.62
7.2.60.0080.00716.63
7.2.50.0050.00716.71
7.2.40.0050.00516.66
7.2.30.0060.00916.76
7.2.20.0100.00516.77
7.2.10.0060.00516.77
7.2.00.0060.00517.20
7.1.250.0050.00615.52
7.1.240.0100.00015.74
7.1.230.0030.00715.70
7.1.220.0070.00715.72
7.1.210.0100.00015.55
7.1.200.0080.00715.49
7.1.190.0030.01015.61
7.1.180.0080.00415.79
7.1.170.0100.00315.61
7.1.160.0000.01215.46
7.1.150.0060.00615.59
7.1.140.0040.00715.41
7.1.130.0040.00715.60
7.1.120.0030.00915.53
7.1.110.0030.00915.75
7.1.100.0070.00416.74
7.1.90.0040.00815.53
7.1.80.0030.01015.62
7.1.70.0030.01216.23
7.1.60.0430.00824.53
7.1.50.0450.00824.23
7.1.40.0100.01224.02
7.1.30.0120.00724.11
7.1.20.0070.01324.05
7.1.10.0080.00515.11
7.1.00.0350.00515.14
7.0.330.0030.01315.39
7.0.320.0070.01015.39
7.0.310.0070.00715.35
7.0.300.0030.00915.53
7.0.290.0070.00315.01
7.0.280.0000.01315.27
7.0.270.0040.01115.15
7.0.260.0000.01015.34
7.0.250.0090.00315.36
7.0.240.0030.00915.39
7.0.230.0040.00715.56
7.0.220.0060.00615.22
7.0.210.0100.00315.39
7.0.200.0350.00815.28
7.0.190.0020.01115.21
7.0.180.0050.00714.90
7.0.170.0100.00014.82
7.0.160.0050.00914.86
7.0.150.0300.00914.83
7.0.140.0050.00414.81
7.0.130.0280.00715.12
7.0.120.0270.01215.09
7.0.110.0180.00314.92
7.0.100.0300.00914.86
7.0.90.0150.00615.10
7.0.80.0330.01014.87
7.0.70.0020.00714.92
7.0.60.0370.00514.85
7.0.50.0050.00815.02
7.0.40.0290.00913.96
7.0.30.0060.00814.06
7.0.20.0320.01014.06
7.0.10.0330.00814.05
7.0.00.0300.01014.07
5.6.380.0030.00614.30

preferences:
54.79 ms | 401 KiB | 5 Q