3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = "null"; $test['b'] = 'b'; var_dump($test['b']);

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)
8.3.60.0110.00716.88
8.3.50.0170.00317.89
8.3.40.0110.00418.73
8.3.30.0110.00418.80
8.3.20.0000.00819.13
8.3.10.0080.00021.90
8.3.00.0040.00420.81
8.2.180.0140.00316.50
8.2.170.0060.00922.96
8.2.160.0160.00020.39
8.2.150.0050.00225.66
8.2.140.0060.00324.66
8.2.130.0040.00421.05
8.2.120.0130.00626.35
8.2.110.0060.00322.28
8.2.100.0070.00419.76
8.2.90.0030.00517.75
8.2.80.0040.00417.97
8.2.70.0040.00417.93
8.2.60.0030.00518.05
8.2.50.0090.00018.10
8.2.40.0000.00720.59
8.2.30.0080.00019.25
8.2.20.0000.00818.01
8.2.10.0050.00218.13
8.2.00.0050.00317.74
8.1.280.0160.00325.92
8.1.270.0070.01122.06
8.1.260.0080.00028.09
8.1.250.0070.00028.09
8.1.240.0050.00323.74
8.1.230.0070.00419.15
8.1.220.0030.00517.76
8.1.210.0000.00818.77
8.1.200.0060.00317.25
8.1.190.0030.00517.23
8.1.180.0040.00418.10
8.1.170.0030.00518.89
8.1.160.0000.00718.95
8.1.150.0030.00320.32
8.1.140.0000.00819.53
8.1.130.0000.01017.77
8.1.120.0040.00417.35
8.1.110.0040.00417.36
8.1.100.0000.00817.37
8.1.90.0030.00317.46
8.1.80.0000.00717.48
8.1.70.0070.00017.35
8.1.60.0000.00917.58
8.1.50.0030.00617.40
8.1.40.0030.00617.43
8.1.30.0000.00817.65
8.1.20.0040.00417.61
8.1.10.0050.00317.46
8.1.00.0080.00017.53
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0070.00018.48
8.0.270.0030.00317.18
8.0.260.0000.00618.36
8.0.250.0040.00417.05
8.0.240.0070.00017.08
8.0.230.0040.00417.02
8.0.220.0030.00316.99
8.0.210.0070.00016.98
8.0.200.0020.00516.91
8.0.190.0030.00316.99
8.0.180.0000.00817.00
8.0.170.0000.00816.85
8.0.160.0000.00716.91
8.0.150.0030.00416.97
8.0.140.0040.00416.83
8.0.130.0050.00013.42
8.0.120.0000.00716.85
8.0.110.0000.00716.91
8.0.100.0000.00716.99
8.0.90.0000.00716.76
8.0.80.0040.01316.94
8.0.70.0040.00416.94
8.0.60.0000.00716.87
8.0.50.0070.00016.89
8.0.30.0100.00817.01
8.0.20.0130.00817.42
8.0.10.0040.00417.12
8.0.00.0130.01016.77
7.4.330.0000.00515.55
7.4.320.0060.00016.41
7.4.300.0030.00316.63
7.4.290.0000.00716.48
7.4.280.0000.00716.50
7.4.270.0030.00316.55
7.4.260.0000.00716.48
7.4.250.0070.00016.42
7.4.240.0000.00716.36
7.4.230.0000.00616.55
7.4.220.0060.01216.52
7.4.210.0140.00316.60
7.4.200.0040.00416.39
7.4.160.0090.00916.59
7.4.150.0030.01317.40
7.4.140.0060.01417.86
7.4.130.0090.00916.48
7.4.120.0090.00916.50
7.4.110.0150.00316.59
7.4.100.0150.00316.28
7.4.90.0080.01016.44
7.4.80.0120.00919.39
7.4.70.0080.00916.59
7.4.60.0030.01216.57
7.4.50.0040.01116.53
7.4.40.0100.00616.30
7.4.30.0090.01216.57
7.4.00.0090.00615.08
7.3.330.0030.00313.23
7.3.320.0050.00013.17
7.3.310.0070.00016.34
7.3.300.0030.00316.36
7.3.290.0000.00716.36
7.3.280.0080.01016.32
7.3.270.0150.00317.40
7.3.260.0070.01616.46
7.3.250.0140.00516.38
7.3.240.0120.00716.44
7.3.230.0120.00616.43
7.3.210.0070.01016.37
7.3.200.0100.00716.38
7.3.190.0130.00716.55
7.3.180.0080.00816.31
7.3.170.0090.00616.59
7.3.160.0120.00316.38
7.2.330.0100.01016.63
7.2.320.0440.02716.46
7.2.310.0060.01016.43
7.2.300.0110.00616.64
7.2.290.0110.00816.56
7.2.00.0090.00619.10
7.1.100.0060.00817.84
7.1.70.0030.00517.20
7.1.60.0000.01216.89
7.1.50.0170.00716.96
7.1.00.0100.06722.48
7.0.200.0360.00016.62
7.0.130.0130.05322.05
7.0.120.0100.07021.96
7.0.110.0030.06021.98
7.0.100.0070.06322.04
7.0.90.0100.05721.98
7.0.80.0000.08022.13
7.0.70.0100.06022.05
7.0.60.0130.05022.11
7.0.50.0100.07322.05
7.0.40.0100.05322.02
7.0.30.0100.05322.07
7.0.20.0030.05722.07
7.0.10.0070.05022.02
7.0.00.0030.05722.10
5.6.280.0070.05721.04
5.6.270.0100.05721.04
5.6.260.0030.05721.03
5.6.250.0070.06021.06
5.6.240.0100.05720.96
5.6.230.0030.06321.05
5.6.220.0030.05720.96
5.6.210.0070.05720.94
5.6.200.0070.06321.08
5.6.190.0000.06720.92
5.6.180.0070.05720.98
5.6.170.0100.05020.91
5.6.160.0000.06020.84
5.6.150.0070.05720.83
5.6.140.0000.06020.93
5.6.130.0030.05720.79
5.6.120.0030.06020.84
5.6.110.0070.05320.99
5.6.100.0030.06021.06
5.6.90.0030.05720.71
5.6.80.0130.04320.31
5.6.70.0070.05020.23
5.6.60.0030.05720.16
5.6.50.0030.06020.18
5.6.40.0100.04720.15
5.6.30.0100.05020.18
5.6.20.0100.04720.43
5.6.10.0070.05020.43
5.6.00.0100.04720.37

preferences:
65.52 ms | 401 KiB | 5 Q