3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = true; $a[] = 'value'; // Fatal error: Uncaught Error: Cannot use a scalar value as an array $a = null; $a[] = 'value'; // Ok $a = false; $a[] = 'value'; // Now it's ok, but proposed to deprecate

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)
8.3.70.0100.01016.88
8.3.60.0100.01316.50
8.3.50.0080.00516.59
8.3.40.0030.01318.83
8.3.30.0040.01118.70
8.3.20.0080.00024.18
8.3.10.0050.00224.66
8.3.00.0040.00426.16
8.2.190.0180.00016.75
8.2.180.0070.00725.92
8.2.170.0070.01319.06
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0070.00019.54
8.2.110.0090.00022.23
8.2.100.0080.00417.91
8.2.90.0030.00517.75
8.2.80.0050.00318.73
8.2.70.0040.00417.75
8.2.60.0060.00317.93
8.2.50.0050.00217.79
8.2.40.0090.00018.15
8.2.30.0030.00618.11
8.2.20.0000.00717.93
8.2.10.0070.00019.22
8.2.00.0070.00019.22
8.1.280.0060.00925.92
8.1.270.0030.00523.99
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0040.00424.01
8.1.230.0040.00820.91
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.01017.35
8.1.190.0040.00417.22
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0030.00318.91
8.1.150.0070.00018.82
8.1.140.0040.00418.68
8.1.130.0070.00019.98
8.1.120.0030.00517.42
8.1.110.0040.00417.26
8.1.100.0040.00417.40
8.1.90.0040.00417.41
8.1.80.0070.00017.42
8.1.70.0030.00317.39
8.1.60.0040.00417.52
8.1.50.0050.00517.50
8.1.40.0000.00817.54
8.1.30.0030.00517.67
8.1.20.0060.00317.50
8.1.10.0000.00717.50
8.1.00.0060.00317.48
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0000.00718.36
8.0.270.0030.00418.00
8.0.260.0040.00418.55
8.0.250.0030.00316.96
8.0.240.0030.00316.97
8.0.230.0040.00416.83
8.0.220.0030.00316.82
8.0.210.0070.00016.85
8.0.200.0100.00016.95
8.0.190.0060.00316.90
8.0.180.0000.00816.81
8.0.170.0000.00916.93
8.0.160.0040.00416.75
8.0.150.0030.00416.85
8.0.140.0050.00216.78
8.0.130.0000.00513.26
8.0.120.0000.00716.76
8.0.110.0000.00816.84
8.0.100.0030.00516.73
8.0.90.0000.00716.93
8.0.80.0100.00516.87
8.0.70.0040.00416.80
8.0.60.0000.00816.93
8.0.50.0000.00716.88
8.0.30.0100.00716.85
8.0.20.0090.01016.96
8.0.10.0100.00916.93
8.0.00.0050.01316.98
7.4.330.0040.00015.55
7.4.320.0000.00616.57
7.4.300.0040.00416.52
7.4.290.0030.00616.36
7.4.280.0030.00516.44
7.4.270.0070.00016.42
7.4.260.0050.00013.10
7.4.250.0030.00316.37
7.4.240.0020.00516.45
7.4.230.0000.00716.52
7.4.220.0060.00116.42
7.4.210.0000.01416.47
7.4.200.0070.00016.32
7.4.160.0110.00716.55
7.4.150.0070.01316.59
7.4.140.0020.01316.47
7.4.130.0100.01016.48
7.4.120.0080.00916.36
7.4.110.0080.01116.45
7.4.100.0050.01216.47
7.4.90.0140.00416.53
7.4.80.0090.00516.42
7.4.70.0080.01116.45
7.4.60.0070.00916.34
7.4.50.0060.00916.31
7.4.40.0110.00516.33
7.4.30.0000.01516.34
7.4.20.0080.01216.41
7.4.10.0100.01016.43
7.4.00.0050.01116.36
7.3.330.0040.00416.12
7.3.320.0000.00513.01
7.3.310.0000.00616.25
7.3.300.0030.00316.04
7.3.290.0070.01216.28
7.3.280.0040.01116.25
7.3.270.0060.00916.20
7.3.260.0030.01316.20
7.3.250.0080.00816.27
7.3.240.0090.00916.24
7.3.230.0050.00916.21
7.3.220.0090.01016.13
7.3.210.0100.00616.21
7.3.200.0080.01016.14
7.3.190.0070.00716.18
7.3.180.0060.00816.12
7.3.170.0090.00716.16
7.3.160.0060.00916.24
7.3.150.0070.01416.23
7.3.140.0100.01016.20
7.3.130.0090.00616.20
7.3.120.0080.01116.20
7.3.110.0040.01516.14
7.3.100.0080.00816.13
7.3.90.0100.00316.45
7.3.80.0050.01416.22
7.3.70.0070.01316.27
7.3.60.0050.01116.35
7.3.50.0050.00916.32
7.3.40.0030.01216.35
7.3.30.0040.01116.26
7.3.20.0110.00316.25
7.3.10.0090.00616.22
7.3.00.0110.00416.38

preferences:
21.79 ms | 401 KiB | 5 Q