3v4l.org

run code in 300+ PHP versions simultaneously
<?php $assignments = null; print_r( $assignments ?? 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)
8.3.60.0090.00916.38
8.3.50.0070.01116.38
8.3.40.0030.01018.54
8.3.30.0060.00918.53
8.3.20.0080.00019.03
8.3.10.0060.00321.66
8.3.00.0080.00019.54
8.2.180.0120.00618.13
8.2.170.0030.01422.96
8.2.160.0070.00720.57
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00420.52
8.2.120.0040.00426.35
8.2.110.0100.00622.04
8.2.100.0110.00017.84
8.2.90.0030.00519.08
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0040.00417.80
8.2.50.0030.00618.10
8.2.40.0000.00822.32
8.2.30.0060.00321.07
8.2.20.0030.00617.98
8.2.10.0000.00717.97
8.2.00.0000.00817.99
8.1.280.0140.00725.92
8.1.270.0040.00424.02
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.07
8.1.230.0040.00719.16
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0060.00317.23
8.1.190.0040.00417.23
8.1.180.0000.00718.10
8.1.170.0030.00618.66
8.1.160.0050.00218.99
8.1.150.0070.00018.68
8.1.140.0070.00319.60
8.1.130.0070.00018.81
8.1.120.0040.00417.45
8.1.110.0040.00417.27
8.1.100.0030.00517.39
8.1.90.0080.00317.32
8.1.80.0060.00317.33
8.1.70.0000.00717.36
8.1.60.0030.00517.41
8.1.50.0000.00717.43
8.1.40.0030.00517.35
8.1.30.0000.00817.58
8.1.20.0050.00217.57
8.1.10.0000.00717.47
8.1.00.0040.00417.44
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.30
8.0.270.0030.00317.22
8.0.260.0030.00316.65
8.0.250.0040.00416.88
8.0.240.0040.00416.89
8.0.230.0030.00316.91
8.0.220.0040.00416.78
8.0.210.0030.00516.76
8.0.200.0070.00016.76
8.0.190.0080.00016.86
8.0.180.0040.00416.87
8.0.170.0000.00716.81
8.0.160.0080.00016.77
8.0.150.0030.00616.82
8.0.140.0040.00316.67
8.0.130.0000.00613.23
8.0.120.0000.00716.79
8.0.110.0070.00016.79
8.0.100.0040.00416.84
8.0.90.0000.00816.70
8.0.80.0100.00716.80
8.0.70.0040.00416.74
8.0.60.0040.00416.77
8.0.50.0000.00716.76
8.0.30.0060.01316.82
8.0.20.0120.01117.40
8.0.10.0000.00716.82
8.0.00.0090.01216.82
7.4.330.0020.00315.55
7.4.320.0030.00316.44
7.4.300.0000.00616.52
7.4.290.0000.01016.51
7.4.280.0080.00016.36
7.4.270.0030.00316.51
7.4.260.0000.00613.31
7.4.250.0040.00416.44
7.4.240.0000.00716.39
7.4.230.0030.00316.33
7.4.220.0070.01116.54
7.4.210.0060.00916.37
7.4.200.0050.00316.27
7.4.160.0090.00916.40
7.4.150.0070.01117.40
7.4.140.0130.01217.86
7.4.130.0160.01016.39
7.4.120.0120.00516.36
7.4.110.0170.00016.34
7.4.100.0030.01516.30
7.4.90.0130.00716.43
7.4.80.0170.00019.39
7.4.70.0100.00616.41
7.4.60.0040.01216.43
7.4.50.0040.01116.24
7.4.40.0100.00616.35
7.4.30.0100.00716.31
7.4.00.0040.00814.88
7.3.330.0050.00012.99
7.3.320.0000.00512.91
7.3.310.0000.00716.02
7.3.300.0030.00316.14
7.3.290.0110.00716.20
7.3.280.0080.00816.19
7.3.270.0120.00617.40
7.3.260.0080.00816.25
7.3.250.0140.00616.33
7.3.240.0080.00816.50
7.3.230.0100.00716.21
7.3.210.0060.01016.09
7.3.200.0110.00616.14
7.3.190.0090.01216.19
7.3.180.0140.00716.55
7.3.170.0130.00316.11
7.3.160.0120.00316.06
7.3.10.0060.00616.56
7.3.00.0060.01016.62
7.2.330.0060.01016.46
7.2.320.0140.00416.32
7.2.310.0080.00816.46
7.2.300.0120.00916.32
7.2.290.0170.00616.18
7.2.130.0030.01016.77
7.2.120.0060.01016.87
7.2.110.0080.00416.79
7.2.100.0120.00016.76
7.2.90.0110.00016.70
7.2.80.0070.01016.83
7.2.70.0000.01416.59
7.2.60.0090.00316.76
7.2.50.0030.00616.85
7.2.40.0060.00616.65
7.2.30.0060.00916.80
7.2.20.0030.00916.92
7.2.10.0070.00316.71
7.2.00.0040.00717.79
7.1.250.0060.00615.34
7.1.200.0110.00615.72
7.1.100.0040.01118.02
7.1.70.0030.00617.02
7.1.60.1500.01333.14
7.1.50.1470.01732.84
7.1.40.2400.01732.59
7.1.30.3330.02032.28
7.1.20.2530.01332.57
7.1.10.1470.01314.73
7.1.00.2470.02714.68
7.0.200.1830.01314.76
7.0.190.0470.00314.70
7.0.180.1870.01714.17
7.0.170.2800.01014.18
7.0.160.2370.00314.22
7.0.150.2400.01714.24
7.0.140.2170.01714.25
7.0.130.2370.01014.46
7.0.120.2670.01014.58
7.0.110.0370.01014.26
7.0.100.3430.01014.38
7.0.90.0100.01314.29
7.0.80.0100.01714.52
7.0.70.4130.01714.23
7.0.60.1030.01714.27
7.0.50.1100.01714.17
7.0.40.0100.01314.72
7.0.30.1900.01314.39
7.0.20.0100.01314.70
7.0.10.0200.00314.64
7.0.00.5170.00714.41

preferences:
51.79 ms | 401 KiB | 5 Q