3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = null; echo strval($arr['foo']) ?? 'bar';

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)
8.4.120.0130.00620.42
8.4.110.0140.00522.38
8.4.100.0090.01117.86
8.4.90.0140.00617.67
8.4.80.0160.00517.73
8.4.70.0040.00417.74
8.4.60.0140.00820.24
8.4.50.0050.00420.43
8.4.40.0100.01020.31
8.4.30.0130.00620.61
8.4.20.0130.00719.79
8.4.10.0130.00719.57
8.3.250.0040.00418.91
8.3.240.0110.00817.14
8.3.230.0100.00916.62
8.3.220.0090.00917.20
8.3.210.0090.00916.73
8.3.200.0110.00916.60
8.3.190.0090.00717.08
8.3.180.0090.01016.54
8.3.170.0120.00617.27
8.3.160.0120.00618.57
8.3.150.0030.00618.98
8.3.140.0100.00718.29
8.3.130.0030.00518.72
8.3.120.0090.00618.91
8.3.110.0040.00416.91
8.3.100.0000.01024.06
8.3.90.0050.00326.77
8.3.80.0090.00018.43
8.3.70.0100.00716.75
8.3.60.0070.01118.43
8.3.50.0090.00523.57
8.3.40.0060.00918.83
8.3.30.0070.00718.67
8.3.20.0040.00420.60
8.3.10.0050.00220.26
8.3.00.0040.00420.63
8.2.290.0060.00220.45
8.2.280.0100.00918.51
8.2.270.0200.00017.04
8.2.260.0000.00816.88
8.2.250.0080.00016.86
8.2.240.0090.00017.30
8.2.230.0030.00620.94
8.2.220.0090.00037.54
8.2.210.0030.00526.77
8.2.200.0000.01018.29
8.2.190.0170.00016.58
8.2.180.0100.00318.66
8.2.170.0110.00722.96
8.2.160.0100.00322.11
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00426.16
8.2.110.0060.00320.52
8.2.100.0080.00417.84
8.2.90.0040.00417.97
8.2.80.0060.00319.28
8.2.70.0080.00018.05
8.2.60.0040.00418.22
8.2.50.0050.00318.10
8.2.40.0040.00419.51
8.2.30.0000.00819.41
8.2.20.0040.00418.04
8.2.10.0040.00420.95
8.2.00.0000.00719.06
8.1.330.0100.00921.62
8.1.320.0140.00716.09
8.1.310.0000.00818.47
8.1.300.0090.00916.02
8.1.290.0040.00818.88
8.1.280.0030.01025.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0160.00623.71
8.1.230.0090.00322.68
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0060.00317.11
8.1.190.0030.00617.22
8.1.180.0020.00519.00
8.1.170.0040.00418.57
8.1.160.0030.00618.99
8.1.150.0050.00318.81
8.1.140.0000.00822.06
8.1.130.0000.00819.93
8.1.120.0030.00317.27
8.1.110.0000.00717.28
8.1.100.0000.00817.33
8.1.90.0050.00317.48
8.1.80.0040.00417.45
8.1.70.0000.00717.48
8.1.60.0000.00817.46
8.1.50.0000.00917.51
8.1.40.0000.00817.43
8.1.30.0000.00717.48
8.1.20.0000.00817.61
8.1.10.0000.00717.43
8.1.00.0030.00617.50
8.0.300.0040.00420.07
8.0.290.0080.00016.75
8.0.280.0070.00018.38
8.0.270.0050.00216.78
8.0.260.0030.00320.04
8.0.250.0000.00716.96
8.0.240.0050.00316.91
8.0.230.0000.00716.84
8.0.220.0030.00616.89
8.0.210.0040.00416.90
8.0.200.0070.00016.92
8.0.190.0030.00516.99
8.0.180.0040.00416.86
8.0.170.0000.00816.93
8.0.160.0040.00416.89
8.0.150.0000.00816.83
8.0.140.0050.00316.83
8.0.130.0030.00313.30
8.0.120.0040.00416.74
8.0.110.0040.00416.77
8.0.100.0000.00716.91
8.0.90.0060.00316.84
8.0.80.0140.00316.89
8.0.70.0000.00816.85
8.0.60.0040.00416.95
8.0.50.0040.00416.78
8.0.30.0130.01017.22
8.0.20.0090.01817.07
8.0.10.0040.00417.04
8.0.00.0030.01316.68
7.4.330.0000.00615.55
7.4.320.0000.00616.50
7.4.300.0000.00716.41
7.4.290.0040.00416.63
7.4.280.0080.00316.40
7.4.270.0030.00616.58
7.4.260.0000.00513.26
7.4.250.0040.00216.49
7.4.240.0000.00716.56
7.4.230.0050.00316.59
7.4.220.0030.00316.50
7.4.210.0090.01016.60
7.4.200.0030.00516.33
7.4.130.0060.01216.61
7.4.120.0130.00316.61
7.4.110.0100.01016.38
7.4.100.0140.00416.38
7.4.90.0110.00916.46
7.4.80.0110.00617.95
7.4.70.0070.01216.48
7.4.60.0080.00816.46
7.4.50.0070.00916.28
7.4.40.0100.00816.37
7.4.30.0100.00616.41
7.4.20.0030.01616.37
7.4.10.0080.01015.71
7.4.00.0070.01015.42
7.3.330.0000.00616.32
7.3.320.0030.00313.00
7.3.310.0000.00716.19
7.3.300.0020.00516.16
7.3.290.0000.00616.23
7.3.280.0070.01016.23
7.3.260.0070.01016.50
7.3.240.0110.00716.29
7.3.230.0050.01116.38
7.3.220.0130.00316.28
7.3.210.0110.00616.33
7.3.200.0100.00716.44
7.3.190.0080.00916.32
7.3.180.0100.00916.46
7.3.170.0060.00916.17
7.3.160.0090.00816.21
7.3.150.0090.01216.14
7.3.140.0080.00916.25
7.3.130.0070.01015.31
7.3.120.0050.01115.22
7.3.110.0060.00915.18
7.3.100.0060.00915.12
7.3.90.0060.01015.17
7.3.80.0070.00815.13
7.3.70.0090.00615.27
7.3.60.0050.00915.21
7.3.50.0090.00715.17
7.3.40.0040.00815.25
7.3.30.0080.00615.17
7.3.20.0290.00615.68
7.3.10.0060.01115.84
7.3.00.0120.00715.76
7.2.340.0060.01016.54
7.2.330.0110.00616.57
7.2.320.0090.01016.55
7.2.310.0100.00916.60
7.2.300.0090.00916.39
7.2.290.0120.00516.57
7.2.280.0110.00616.68
7.2.270.0080.00816.52
7.2.260.0080.01115.53
7.2.250.0050.01215.57
7.2.240.0090.00615.45
7.2.230.0080.00715.28
7.2.220.0080.00715.50
7.2.210.0070.00815.60
7.2.200.0120.00615.43
7.2.190.0070.00915.32
7.2.180.0080.00515.39
7.2.170.0080.00915.27
7.2.160.0120.00415.72
7.2.150.0070.00916.68
7.2.140.0120.00516.69
7.2.130.0090.00716.69
7.2.120.0070.00616.63
7.2.110.0090.00816.62
7.2.100.0080.01016.70
7.2.90.0090.00716.79
7.2.80.0060.01116.71
7.2.70.0130.00416.71
7.2.60.0140.00616.76
7.2.50.0130.00416.59
7.2.40.0190.00716.75
7.2.30.0160.00916.66
7.2.20.0130.00616.56
7.2.10.0080.00816.64
7.2.00.0120.00716.75

preferences:
31.52 ms | 403 KiB | 5 Q