3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array['key'] ??= 1; if (!isset($array['key'])) { $array['key'] = 1; }

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)
8.3.60.0110.00716.50
8.3.50.0150.00016.29
8.3.40.0030.01020.33
8.3.30.0070.00718.66
8.3.20.0030.00624.18
8.3.10.0020.00524.66
8.3.00.0000.00826.16
8.2.180.0040.01125.92
8.2.170.0110.00718.81
8.2.160.0120.00322.96
8.2.150.0110.00025.66
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0000.00726.35
8.2.110.0080.00320.35
8.2.100.0030.00917.91
8.2.90.0040.00417.75
8.2.80.0080.00018.91
8.2.70.0030.00617.50
8.2.60.0050.00318.03
8.2.50.0000.00718.05
8.2.40.0040.00420.07
8.2.30.0000.00818.05
8.2.20.0040.00418.10
8.2.10.0050.00219.36
8.2.00.0000.00719.18
8.1.280.0120.00625.92
8.1.270.0040.00423.99
8.1.260.0030.00628.09
8.1.250.0030.00528.09
8.1.240.0090.00018.92
8.1.230.0040.00717.89
8.1.220.0030.00517.74
8.1.210.0000.00818.77
8.1.200.0030.00617.22
8.1.190.0050.00317.13
8.1.180.0000.00818.10
8.1.170.0000.00718.50
8.1.160.0000.00818.87
8.1.150.0040.00418.88
8.1.140.0030.00618.88
8.1.130.0070.00020.00
8.1.120.0070.00017.44
8.1.110.0000.00817.39
8.1.100.0080.00017.27
8.1.90.0070.00017.43
8.1.80.0050.00217.44
8.1.70.0030.00317.36
8.1.60.0040.00417.57
8.1.50.0000.00717.47
8.1.40.0040.00417.35
8.1.30.0030.00517.56
8.1.20.0040.00417.54
8.1.10.0040.00417.38
8.1.00.0080.00017.44
8.0.300.0020.00518.77
8.0.290.0050.00316.58
8.0.280.0050.00318.23
8.0.270.0000.00717.98
8.0.260.0000.00620.21
8.0.250.0030.00316.88
8.0.240.0030.00316.77
8.0.230.0070.00016.79
8.0.220.0080.00016.83
8.0.210.0070.00016.68
8.0.200.0000.00716.88
8.0.190.0000.00716.89
8.0.180.0000.00816.92
8.0.170.0080.00316.82
8.0.160.0070.00016.84
8.0.150.0050.00316.77
8.0.140.0040.00416.74
8.0.130.0030.00313.23
8.0.120.0030.00516.81
8.0.110.0020.00616.65
8.0.100.0000.00716.72
8.0.90.0060.00316.64
8.0.80.0110.00616.79
8.0.70.0070.00016.88
8.0.60.0040.00416.88
8.0.50.0050.00316.78
8.0.30.0090.00916.68
8.0.20.0090.00916.80
8.0.10.0070.00016.91
8.0.00.0100.01016.89
7.4.330.0050.00015.55
7.4.320.0000.00616.63
7.4.300.0030.00316.50
7.4.290.0000.00716.46
7.4.280.0040.00716.48
7.4.270.0000.00616.43
7.4.260.0030.00616.50
7.4.250.0000.00716.52
7.4.240.0020.00516.41
7.4.230.0040.00516.32
7.4.220.0040.00316.48
7.4.210.0080.00716.48
7.4.200.0070.00016.48
7.4.130.0100.00816.38
7.4.120.0090.00916.38
7.4.110.0120.00616.51
7.4.100.0100.00716.54
7.4.90.0060.01116.36
7.4.80.0120.00819.39
7.4.70.0110.01116.58
7.4.60.0100.00616.44
7.4.50.0070.00916.40
7.4.40.0130.00416.32
7.4.30.0120.00416.40
7.4.20.0070.01116.40
7.4.10.0070.00816.18
7.4.00.0110.00716.54
7.3.330.0030.00316.02
7.3.320.0030.00313.22
7.3.310.0030.00316.00
7.3.300.0030.00316.20
7.3.290.0060.00816.20
7.3.280.0070.01016.17
7.3.260.0130.00416.51
7.3.240.0050.01316.24
7.3.230.0090.01216.33
7.3.210.0110.00616.19
7.3.200.0070.01016.13
7.3.190.0090.00616.16
7.3.180.0070.00816.22
7.3.170.0100.00616.12
7.3.160.0060.01016.15
7.3.150.0080.00816.16
7.3.140.0060.01016.27
7.3.130.0110.00716.13
7.3.120.0050.01116.26
7.3.110.0050.01216.00
7.3.100.0130.00316.22
7.3.90.0090.00716.13
7.3.80.0060.01016.15
7.3.70.0070.00916.13
7.3.60.0090.00616.19
7.3.50.0060.01116.14
7.3.40.0100.00816.23
7.3.30.0120.00616.25
7.3.20.0140.00816.17
7.3.10.0090.00916.18
7.3.00.0090.00816.05
7.2.330.0070.01016.45
7.2.320.0130.01016.08
7.2.310.0080.00916.11
7.2.300.0040.01216.26
7.2.290.0050.01116.27
7.2.280.0080.00816.28
7.2.270.0080.00916.28
7.2.260.0080.01016.40
7.2.250.0070.00916.39
7.2.240.0110.00516.32
7.2.230.0080.00816.29
7.2.220.0090.00716.34
7.2.210.0090.00716.34
7.2.200.0060.01116.11
7.2.190.0100.00616.25
7.2.180.0070.01116.28
7.2.170.0100.00816.26
7.2.160.0120.00716.17
7.2.150.0090.01016.21
7.2.140.0060.01416.24
7.2.130.0070.00916.31
7.2.120.0170.01316.31
7.2.110.0070.01016.45
7.2.100.0100.00816.16
7.2.90.0100.00716.31
7.2.80.0080.01016.29
7.2.70.0050.01116.25
7.2.60.0090.00916.22
7.2.50.0090.00916.18
7.2.40.0060.01116.23
7.2.30.0090.00916.30
7.2.20.0120.00616.40
7.2.10.0060.01216.40
7.2.00.0090.00816.15

preferences:
62.56 ms | 400 KiB | 5 Q