3v4l.org

run code in 300+ PHP versions simultaneously
<?php $amount = 4; @$a[5] += $amount; print_r($a); $b[6] = ($b[6] ?? 0) + $amount; print_r($b); @$c->x[5] += $amount; print_r($c); $d[3] = (isset($d[3]) ? $d[3] : 0) + $amount; print_r($d);

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)
8.3.60.0120.01218.39
8.3.50.0070.00718.20
8.3.40.0110.00419.09
8.3.30.0120.00918.93
8.3.20.0000.00821.03
8.3.10.0040.00421.79
8.3.00.0040.00419.50
8.2.180.0060.00916.88
8.2.170.0140.00722.96
8.2.160.0100.00321.20
8.2.150.0000.00824.18
8.2.140.0120.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00619.68
8.2.110.0030.00621.04
8.2.100.0080.00417.85
8.2.90.0080.00019.35
8.2.80.0040.00417.97
8.2.70.0000.00817.93
8.2.60.0000.00818.16
8.2.50.0070.00018.10
8.2.40.0000.00819.48
8.2.30.0070.00019.20
8.2.20.0000.00718.00
8.2.10.0030.00519.36
8.2.00.0000.00718.08
8.1.280.0140.00725.92
8.1.270.0040.00418.87
8.1.260.0030.00626.35
8.1.250.0000.00828.09
8.1.240.0060.00622.10
8.1.230.0110.00022.63
8.1.220.0000.00817.76
8.1.210.0000.00919.95
8.1.200.0030.00717.13
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0060.00318.46
8.1.160.0000.00719.06
8.1.150.0080.00018.92
8.1.140.0000.00818.95
8.1.130.0000.00720.19
8.1.120.0000.00717.45
8.1.110.0080.00017.34
8.1.100.0040.00417.36
8.1.90.0000.00717.46
8.1.80.0040.00417.35
8.1.70.0030.00617.49
8.1.60.0050.00517.58
8.1.50.0020.00517.57
8.1.40.0000.00917.52
8.1.30.0030.00517.55
8.1.20.0090.00017.70
8.1.10.0060.00317.57
8.1.00.0060.00317.51
8.0.300.0000.00820.04
8.0.290.0040.00416.75
8.0.280.0040.00418.46
8.0.270.0090.00016.80
8.0.260.0060.00018.49
8.0.250.0030.00617.07
8.0.240.0030.00316.88
8.0.230.0030.00317.03
8.0.220.0050.00216.93
8.0.210.0040.00416.89
8.0.200.0050.00216.93
8.0.190.0040.00417.06
8.0.180.0030.00516.86
8.0.170.0040.00417.03
8.0.160.0040.00416.82
8.0.150.0030.00316.86
8.0.140.0000.00716.90
8.0.130.0030.00313.39
8.0.120.0040.00416.85
8.0.110.0030.00317.01
8.0.100.0030.00516.86
8.0.90.0000.00816.93
8.0.80.0110.00416.97
8.0.70.0030.00616.82
8.0.60.0040.00416.74
8.0.50.0040.00416.95
8.0.30.0080.00917.02
8.0.20.0060.01217.23
8.0.10.0000.00816.95
8.0.00.0100.01016.97
7.4.330.0020.00215.55
7.4.320.0060.00016.41
7.4.300.0070.00016.52
7.4.290.0000.00816.41
7.4.280.0030.00516.55
7.4.270.0000.00716.48
7.4.260.0030.00316.51
7.4.250.0000.00716.47
7.4.240.0040.00416.52
7.4.230.0030.00316.60
7.4.220.0050.00316.57
7.4.210.0060.00816.61
7.4.200.0000.00716.67
7.4.160.0070.00916.52
7.4.140.0100.00717.86
7.4.130.0070.01616.61
7.4.120.0090.00916.47
7.4.110.0150.00416.62
7.4.100.0070.01016.59
7.4.90.0070.01016.56
7.4.80.0090.00919.39
7.4.70.0100.01016.66
7.4.60.0130.00316.49
7.4.50.0090.00616.45
7.4.40.0190.00316.55
7.4.10.0040.01414.87
7.4.00.0090.00814.88
7.3.330.0000.00513.30
7.3.320.0000.00613.39
7.3.310.0000.00716.39
7.3.300.0050.00216.36
7.3.290.0040.00416.42
7.3.280.0080.01316.42
7.3.260.0120.00716.46
7.3.240.0090.00916.52
7.3.230.0090.00916.50
7.3.210.0050.01416.41
7.3.200.0030.01216.50
7.3.190.0000.01716.57
7.3.180.0140.00316.60
7.3.170.0060.01116.57
7.3.160.0040.01216.39
7.3.130.0100.00614.74
7.3.120.0090.00614.84
7.3.110.0050.01414.87
7.3.100.0070.00814.84
7.3.90.0080.00614.89
7.3.80.0040.01114.88
7.3.70.0110.00514.80
7.3.60.0020.01014.80
7.3.50.0120.00314.88
7.3.40.0050.00714.80
7.3.30.0040.01014.85
7.3.20.0080.00516.72
7.3.10.1080.00715.99
7.3.00.1250.00916.12
7.2.330.0090.00916.48
7.2.320.0100.01016.52
7.2.310.0030.01216.40
7.2.300.0110.00716.75
7.2.290.0090.00616.42
7.2.260.0120.00614.95
7.2.250.0030.01315.01
7.2.240.0110.00515.06
7.2.230.0060.01015.08
7.2.220.0090.00815.04
7.2.210.0070.00914.95
7.2.200.0070.00914.91
7.2.190.0080.00515.06
7.2.180.0070.00715.03
7.2.170.0060.01114.96
7.2.160.0030.01314.87
7.2.150.0060.01016.90
7.2.140.0060.00616.95
7.2.130.1560.00815.95
7.2.120.1690.00315.85
7.2.110.1890.00416.00
7.2.100.1910.00816.02
7.2.90.2180.00715.87
7.2.80.2400.01015.84
7.2.70.0640.00815.95
7.2.60.0350.00015.88
7.2.50.0560.00615.77
7.2.40.1100.01315.80
7.2.30.0730.00515.92
7.2.20.0910.01015.84
7.2.10.1420.01315.88
7.2.00.0660.00516.01
7.1.330.0050.00915.73
7.1.320.0020.01415.81
7.1.310.0050.00815.83
7.1.300.0050.00915.85
7.1.290.0110.00215.95
7.1.280.0050.01015.77
7.1.270.0060.00815.62
7.1.260.0050.00915.65
7.1.250.1570.01214.85
7.1.240.0070.00715.83
7.1.230.0060.01015.51
7.1.220.0060.00915.78
7.1.210.0000.01215.54
7.1.200.0070.01115.71
7.1.190.0000.01515.83
7.1.180.0030.01015.77
7.1.170.0030.01016.01
7.1.160.0060.00315.89
7.1.150.0040.00815.86
7.1.140.0000.01415.85
7.1.130.0030.01315.76
7.1.120.0070.00715.51
7.1.110.0030.01015.60
7.1.100.0150.00015.82
7.1.90.0050.00515.65
7.1.80.0030.01415.57
7.1.70.0000.01615.91
7.1.60.0040.01115.90
7.1.50.0000.01715.81
7.1.40.0070.00415.80
7.1.30.0000.01015.77
7.1.20.0070.00715.87
7.1.10.0030.01215.79
7.1.00.0090.00615.46

preferences:
73.13 ms | 401 KiB | 5 Q