3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = null; $y = 4; $z = ((string) $y) ?: null; var_dump($z);

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)
8.3.60.0060.01216.63
8.3.50.0060.00918.27
8.3.40.0120.00318.76
8.3.30.0060.00918.63
8.3.20.0050.00319.26
8.3.10.0040.00421.82
8.3.00.0000.00820.50
8.2.180.0110.00418.18
8.2.170.0060.01222.96
8.2.160.0030.01019.39
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0020.00519.82
8.2.120.0040.00426.35
8.2.110.0060.00320.47
8.2.100.0110.00017.78
8.2.90.0050.00317.63
8.2.80.0040.00417.97
8.2.70.0030.00617.80
8.2.60.0000.00718.03
8.2.50.0050.00318.10
8.2.40.0040.00419.30
8.2.30.0000.00719.23
8.2.20.0040.00418.05
8.2.10.0040.00418.11
8.2.00.0040.00417.71
8.1.280.0110.00725.92
8.1.270.0080.00018.95
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0060.00322.06
8.1.230.0040.00717.65
8.1.220.0080.00017.79
8.1.210.0030.00618.77
8.1.200.0030.00617.38
8.1.190.0050.00317.36
8.1.180.0000.00818.10
8.1.170.0000.00818.66
8.1.160.0030.00518.79
8.1.150.0000.00718.91
8.1.140.0030.00322.12
8.1.130.0030.00320.12
8.1.120.0040.00417.49
8.1.110.0000.00717.41
8.1.100.0040.00417.32
8.1.90.0030.00617.48
8.1.80.0040.00417.48
8.1.70.0070.00017.49
8.1.60.0050.00317.45
8.1.50.0040.00417.47
8.1.40.0040.00417.41
8.1.30.0020.00517.65
8.1.20.0000.00717.48
8.1.10.0050.00217.31
8.1.00.0050.00217.38
8.0.300.0040.00418.77
8.0.290.0000.00916.75
8.0.280.0070.00018.39
8.0.270.0030.00317.15
8.0.260.0000.00718.39
8.0.250.0000.00716.94
8.0.240.0040.00416.81
8.0.230.0030.00316.95
8.0.220.0050.00516.91
8.0.210.0030.00316.85
8.0.200.0030.00316.90
8.0.190.0030.00516.97
8.0.180.0020.00516.87
8.0.170.0040.00416.87
8.0.160.0050.00316.77
8.0.150.0030.00516.86
8.0.140.0070.00016.72
8.0.130.0060.00013.34
8.0.120.0030.00716.83
8.0.110.0060.00316.83
8.0.100.0040.00416.69
8.0.90.0040.00416.94
8.0.80.0110.00316.90
8.0.70.0080.00016.81
8.0.60.0000.00716.88
8.0.50.0040.00416.77
8.0.30.0100.00817.00
8.0.20.0110.00817.40
8.0.10.0040.00416.98
8.0.00.0130.00816.78
7.4.330.0020.00215.55
7.4.320.0030.00316.57
7.4.300.0000.00616.59
7.4.290.0070.00016.48
7.4.280.0030.00616.63
7.4.270.0040.00716.48
7.4.260.0030.00316.57
7.4.250.0000.00716.47
7.4.240.0000.00816.57
7.4.230.0030.00316.68
7.4.220.0050.00216.53
7.4.210.0060.01016.55
7.4.200.0050.00216.32
7.4.160.0100.00716.54
7.4.140.0120.00517.86
7.4.130.0140.00316.46
7.4.120.0100.00716.58
7.4.110.0130.01016.61
7.4.100.0110.00716.45
7.4.90.0070.01016.41
7.4.80.0060.01319.39
7.4.70.0070.01016.49
7.4.60.0080.00816.48
7.4.50.0000.01316.34
7.4.40.0080.00816.52
7.4.00.0030.01515.00
7.3.330.0000.00513.04
7.3.320.0050.00013.17
7.3.310.0000.00816.31
7.3.300.0070.00016.23
7.3.290.0050.00216.15
7.3.280.0040.01316.19
7.3.260.0110.00916.25
7.3.240.0100.00616.28
7.3.230.0110.00816.31
7.3.210.0080.00816.39
7.3.200.0070.01116.19
7.3.190.0090.01316.32
7.3.180.0160.00616.04
7.3.170.0000.01716.45
7.3.160.0100.00616.29
7.2.330.0070.01116.46
7.2.320.0110.01216.27
7.2.310.0110.01216.25
7.2.300.0150.00516.42
7.2.290.0030.01416.46
7.2.110.0170.00416.58
7.2.100.0060.00616.64
7.2.90.0060.00916.39
7.2.80.0100.00716.61
7.2.70.0090.00916.61
7.2.60.0070.00716.75
7.2.50.0070.00716.77
7.2.40.0070.01016.72
7.2.30.0000.01916.98
7.2.20.0090.00816.85
7.2.10.0160.00016.54
7.2.00.0030.01316.86
7.1.230.0160.00415.67
7.1.220.0150.00415.85
7.1.210.0000.01515.85
7.1.200.0030.00815.83
7.1.190.0000.01415.62
7.1.180.0070.00715.72
7.1.170.0070.00715.61
7.1.160.0110.00515.66
7.1.150.0090.00715.52
7.1.140.0060.00615.85
7.1.130.0040.01115.78
7.1.120.0040.01015.78
7.1.110.0090.00615.89
7.1.100.0040.01215.53
7.1.90.0100.00715.78
7.1.80.0030.01015.75
7.1.70.0100.00315.94
7.1.60.0340.00033.84
7.1.50.0270.01033.67
7.1.40.0270.00333.73
7.1.30.0320.00733.59
7.1.20.0230.01433.77
7.1.10.0040.01115.68
7.1.00.0120.00315.51
5.6.380.0060.00614.60

preferences:
76.42 ms | 400 KiB | 5 Q