3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = []; // Unwanted Notice // $array['iDoNotExistYet']++; // Same but without Notice $array['iDoNotExistYet'] = ($array['iDoNotExistYet'] ?? 0) + 1; echo $array['iDoNotExistYet'];

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)
8.4.120.0090.01123.96
8.4.110.0080.01019.83
8.4.100.0120.00817.79
8.4.90.0030.00522.28
8.4.80.0100.01018.63
8.4.70.0050.00318.60
8.4.60.0080.00817.91
8.4.50.0090.01119.64
8.4.40.0060.00319.34
8.4.30.0130.00619.43
8.4.20.0080.01120.71
8.4.10.0040.00419.56
8.3.250.0090.01018.60
8.3.240.0100.00717.05
8.3.230.0110.00916.39
8.3.220.0050.00318.71
8.3.210.0080.01018.08
8.3.200.0110.00916.45
8.3.190.0100.00818.68
8.3.180.0130.00616.42
8.3.170.0110.00716.43
8.3.160.0030.01618.38
8.3.150.0070.01116.99
8.3.140.0070.00316.52
8.3.130.0070.00718.21
8.3.120.0040.00420.77
8.3.110.0040.00420.94
8.3.100.0050.00516.46
8.3.90.0040.00426.77
8.3.80.0030.00618.43
8.3.70.0140.00716.38
8.3.60.0090.00918.05
8.3.50.0090.00817.13
8.3.40.0130.00318.61
8.3.30.0120.00318.75
8.3.20.0040.00421.95
8.3.10.0000.00820.03
8.3.00.0080.00021.82
8.2.290.0120.00516.85
8.2.280.0120.00618.52
8.2.270.0100.01016.53
8.2.260.0080.00019.14
8.2.250.0100.00716.47
8.2.240.0140.00018.74
8.2.230.0080.00022.58
8.2.220.0100.00024.06
8.2.210.0040.00426.77
8.2.200.0060.00316.50
8.2.190.0070.00716.58
8.2.180.0100.01016.36
8.2.170.0140.00022.96
8.2.160.0190.00020.38
8.2.150.0040.00425.66
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00419.77
8.2.110.0060.00320.57
8.2.100.0080.00417.97
8.2.90.0060.00318.03
8.2.80.0000.00920.07
8.2.70.0040.00417.63
8.2.60.0080.00017.63
8.2.50.0040.00418.10
8.2.40.0050.00321.19
8.2.30.0040.00419.18
8.2.20.0030.00618.17
8.2.10.0050.00319.25
8.2.00.0070.00018.08
8.1.330.0070.00416.00
8.1.320.0120.00816.16
8.1.310.0040.01116.66
8.1.300.0000.00817.93
8.1.290.0030.00630.84
8.1.280.0120.00625.92
8.1.270.0040.00420.25
8.1.260.0050.00326.35
8.1.250.0050.00328.09
8.1.240.0070.00323.90
8.1.230.0110.00022.13
8.1.220.0040.00417.79
8.1.210.0060.00318.77
8.1.200.0040.00417.22
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0030.00518.31
8.1.160.0070.00018.82
8.1.150.0040.00418.58
8.1.140.0000.00718.86
8.1.130.0070.00020.34
8.1.120.0030.00317.40
8.1.110.0030.00617.38
8.1.100.0000.00717.39
8.1.90.0040.00417.27
8.1.80.0000.00817.29
8.1.70.0000.00717.27
8.1.60.0050.00317.41
8.1.50.0000.00817.39
8.1.40.0050.00317.34
8.1.30.0030.00617.60
8.1.20.0000.00817.60
8.1.10.0000.00817.60
8.1.00.0050.00217.49
8.0.300.0000.00719.98
8.0.290.0050.00516.63
8.0.280.0000.00818.47
8.0.270.0070.00017.23
8.0.260.0030.00318.44
8.0.250.0000.00816.90
8.0.240.0000.00816.93
8.0.230.0000.00816.92
8.0.220.0070.00016.80
8.0.210.0000.00716.77
8.0.200.0070.00016.77
8.0.190.0040.00416.89
8.0.180.0000.00716.80
8.0.170.0000.00816.84
8.0.160.0000.00716.91
8.0.150.0000.00816.72
8.0.140.0040.00416.69
8.0.130.0000.00513.18
8.0.120.0040.00416.74
8.0.110.0070.00016.65
8.0.100.0000.00716.84
8.0.90.0000.00716.61
8.0.80.0080.01016.74
8.0.70.0050.00216.70
8.0.60.0050.00316.79
8.0.50.0050.00216.80
8.0.30.0090.00717.20
8.0.20.0080.01317.02
8.0.10.0040.00416.72
8.0.00.0080.01016.63
7.4.330.0040.00015.55
7.4.320.0030.00316.42
7.4.300.0000.00616.43
7.4.290.0000.00716.52
7.4.280.0050.00616.51
7.4.270.0030.00316.41
7.4.260.0070.00016.50
7.4.250.0000.00716.29
7.4.240.0040.00416.45
7.4.230.0040.00416.51
7.4.220.0050.00316.59
7.4.210.0060.01016.54
7.4.200.0000.00716.55
7.4.160.0100.01016.36
7.4.130.0170.00716.30
7.4.120.0140.01016.39
7.4.110.0100.00616.32
7.4.100.0140.00416.50
7.4.90.0110.00716.49
7.4.80.0090.00919.39
7.4.70.0130.00916.30
7.4.60.0080.00816.47
7.4.50.0060.01016.30
7.4.40.0040.01316.54
7.4.00.0080.00514.97
7.3.330.0000.00713.17
7.3.320.0000.00513.04
7.3.310.0000.00716.35
7.3.300.0000.00616.24
7.3.290.0030.01016.22
7.3.280.0100.01516.27
7.3.260.0120.00616.42
7.3.230.0070.01016.35
7.3.210.0080.00816.37
7.3.200.0060.01016.41
7.3.190.0060.01016.24
7.3.180.0000.01516.15
7.3.170.0000.01516.55
7.3.160.0140.00316.21
7.3.50.0040.01114.84
7.3.40.0100.00314.85
7.3.30.0060.00614.53
7.3.20.0040.00816.43
7.3.10.0070.00716.83
7.3.00.0090.01216.57
7.2.330.0090.00916.78
7.2.320.0160.01316.67
7.2.310.0040.01216.76
7.2.300.0130.00316.91
7.2.290.0130.00616.59
7.2.180.0140.00314.67
7.2.170.0090.00315.08
7.2.160.0100.01014.92
7.2.150.0070.00516.76
7.2.140.0030.00916.84
7.2.130.0070.00716.93
7.2.120.0070.00716.99
7.2.110.0080.00416.98
7.2.100.0030.01117.01
7.2.90.0150.00216.74
7.2.80.0120.00317.00
7.2.70.0070.00416.71
7.2.60.0080.01317.07
7.2.50.0100.00316.99
7.2.40.0030.01016.63
7.2.30.0110.00016.63
7.2.20.0120.00917.04
7.2.10.0130.00016.93
7.2.00.0080.00316.99
7.1.280.0080.00415.48
7.1.270.0050.01015.60
7.1.260.0040.00615.61
7.1.250.0060.00715.96

preferences:
126.55 ms | 403 KiB | 5 Q