3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = &$b; $b = 1; echo $a; echo "\n---\n"; $c = &$d[0]; $d = [1]; var_dump($c);

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)
8.3.70.0120.00616.58
8.3.60.0040.01118.27
8.3.50.0070.01016.47
8.3.40.0120.00318.84
8.3.30.0140.00018.76
8.3.20.0060.00320.90
8.3.10.0040.00419.15
8.3.00.0000.00821.78
8.2.190.0120.00916.75
8.2.180.0070.01325.92
8.2.170.0100.01022.96
8.2.160.0000.01519.37
8.2.150.0030.00624.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0000.00721.04
8.2.110.0080.00420.48
8.2.100.0090.00317.84
8.2.90.0040.00417.75
8.2.80.0040.00418.73
8.2.70.0030.00617.50
8.2.60.0050.00317.63
8.2.50.0060.00317.63
8.2.40.0050.00319.35
8.2.30.0040.00418.13
8.2.20.0040.00418.05
8.2.10.0050.00218.91
8.2.00.0000.00719.48
8.1.280.0100.00725.92
8.1.270.0000.00920.70
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.73
8.1.230.0110.00022.08
8.1.220.0000.00817.79
8.1.210.0000.01018.77
8.1.200.0050.00317.35
8.1.190.0040.00417.23
8.1.180.0070.00022.07
8.1.170.0040.00419.00
8.1.160.0040.00418.83
8.1.150.0070.00018.86
8.1.140.0000.00720.29
8.1.130.0000.00720.04
8.1.120.0000.00717.41
8.1.110.0020.00517.43
8.1.100.0040.00417.37
8.1.90.0030.00517.38
8.1.80.0000.00817.30
8.1.70.0070.00017.37
8.1.60.0000.00817.48
8.1.50.0000.00717.30
8.1.40.0000.00817.45
8.1.30.0030.00917.67
8.1.20.0000.00817.47
8.1.10.0000.00917.57
8.1.00.0040.00417.35
8.0.300.0040.00419.52
8.0.290.0070.00016.75
8.0.280.0050.00318.38
8.0.270.0060.00316.80
8.0.260.0030.00318.34
8.0.250.0000.00616.93
8.0.240.0000.00716.95
8.0.230.0070.00016.92
8.0.220.0030.00316.72
8.0.210.0040.00416.75
8.0.200.0000.00616.85
8.0.190.0000.00716.92
8.0.180.0060.00316.73
8.0.170.0000.00816.82
8.0.160.0050.00216.80
8.0.150.0040.00416.73
8.0.140.0080.00016.77
8.0.130.0000.00713.28
8.0.120.0000.00716.80
8.0.110.0040.00416.68
8.0.100.0030.00316.61
8.0.90.0080.00016.75
8.0.80.0060.00916.81
8.0.70.0000.00816.68
8.0.60.0040.00416.88
8.0.50.0030.00516.61
8.0.30.0070.01017.04
8.0.20.0190.00616.89
8.0.10.0000.00816.77
8.0.00.0110.00816.69
7.4.330.0060.00015.55
7.4.320.0060.00016.41
7.4.300.0030.00316.44
7.4.290.0030.00316.43
7.4.280.0040.00416.41
7.4.270.0000.01116.43
7.4.260.0050.00316.52
7.4.250.0050.00216.51
7.4.240.0000.00816.45
7.4.230.0040.00416.53
7.4.220.0040.00416.39
7.4.210.0100.00516.59
7.4.200.0070.00016.27
7.4.160.0120.00816.27
7.4.130.0060.01216.31
7.4.120.0000.01716.55
7.4.110.0060.01216.41
7.4.100.0120.00916.53
7.4.90.0130.00316.43
7.4.80.0040.01619.39
7.4.70.0110.00416.49
7.4.60.0060.00916.46
7.4.50.0030.01016.20
7.4.40.0060.01016.56
7.4.00.0080.00914.92
7.3.330.0070.00013.05
7.3.320.0000.00513.09
7.3.310.0040.00416.32
7.3.300.0030.00316.11
7.3.290.0000.01316.18
7.3.280.0100.00716.21
7.3.260.0070.01116.46
7.3.240.0060.01116.45
7.3.230.0030.01316.59
7.3.210.0090.00616.38
7.3.200.0100.00716.53
7.3.190.0080.00816.39
7.3.180.0110.00416.29
7.3.170.0130.00316.45
7.3.160.0100.01316.39
7.3.120.0120.00614.99
7.3.110.0000.01614.84
7.3.100.0060.00614.95
7.3.90.0070.00714.66
7.3.80.0060.00614.80
7.3.70.0080.00614.80
7.3.60.0060.00314.66
7.3.50.0070.00714.73
7.3.40.0070.00814.69
7.3.30.0080.00714.82
7.3.20.0090.00815.76
7.3.10.0090.00715.72
7.3.00.0120.00615.79
7.2.330.0180.00316.63
7.2.320.0060.01216.71
7.2.310.0040.01216.39
7.2.300.0090.01216.73
7.2.290.0070.01116.58
7.2.250.0060.00914.84
7.2.240.0040.01514.73
7.2.230.0140.00415.21
7.2.220.0030.01215.08
7.2.210.0050.00614.82
7.2.200.0060.01214.71
7.2.190.0000.01314.98
7.2.180.0090.00914.88
7.2.170.0060.00914.89
7.2.160.0100.00614.87
7.2.150.0170.00615.82
7.2.140.0060.01215.93
7.2.130.0090.00915.82
7.2.120.0110.00815.91
7.2.110.0100.00815.91
7.2.100.0090.00815.83
7.2.90.0140.00615.92
7.2.80.0100.00815.90
7.2.70.0110.00615.88
7.2.60.0110.00515.90
7.2.50.0090.00715.91
7.2.40.0100.00915.93
7.2.30.0130.00715.90
7.2.20.0080.00815.88
7.2.10.0100.00815.89
7.2.00.0120.00415.96
7.1.330.0060.00615.51
7.1.320.0000.01315.55
7.1.310.0100.00315.80
7.1.300.0000.00915.83
7.1.290.0000.01115.64
7.1.280.0110.00714.94
7.1.270.0100.00614.93
7.1.260.0070.00814.92
7.1.250.0100.00614.83

preferences:
38.23 ms | 401 KiB | 5 Q