3v4l.org

run code in 300+ PHP versions simultaneously
<?php // $a is not set $b = 16; echo $a ?? 2 . "\n"; // outputs 2 echo $a ?? $b ?? 7 . "\n"; // outputs 16

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)
8.3.60.0140.00716.63
8.3.50.0100.00921.08
8.3.40.0090.01218.63
8.3.30.0110.00418.72
8.3.20.0000.00720.51
8.3.10.0040.00423.70
8.3.00.0080.00019.43
8.2.180.0120.00616.50
8.2.170.0070.00722.96
8.2.160.0040.01220.39
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0090.00017.63
8.2.110.0030.00622.21
8.2.100.0120.00017.75
8.2.90.0040.00419.30
8.2.80.0080.00017.97
8.2.70.0040.00417.38
8.2.60.0080.00017.91
8.2.50.0040.00418.07
8.2.40.0040.00419.21
8.2.30.0070.00318.14
8.2.20.0080.00017.82
8.2.10.0000.00718.03
8.2.00.0000.00717.80
8.1.280.0070.00725.92
8.1.270.0070.01420.20
8.1.260.0000.00726.35
8.1.250.0030.00528.09
8.1.240.0090.00022.52
8.1.230.0060.00617.42
8.1.220.0040.00417.76
8.1.210.0000.00818.77
8.1.200.0040.00417.13
8.1.190.0000.00817.11
8.1.180.0040.00418.10
8.1.170.0000.00818.59
8.1.160.0040.00421.83
8.1.150.0030.00518.79
8.1.140.0060.00317.29
8.1.130.0030.00517.58
8.1.120.0030.00317.43
8.1.110.0000.00717.42
8.1.100.0040.00417.41
8.1.90.0030.00417.42
8.1.80.0040.00417.29
8.1.70.0040.00417.40
8.1.60.0000.00817.54
8.1.50.0000.00817.37
8.1.40.0040.00417.42
8.1.30.0060.00317.46
8.1.20.0040.00417.53
8.1.10.0040.00417.51
8.1.00.0040.00417.33
8.0.300.0000.00718.77
8.0.290.0040.00416.61
8.0.280.0000.00718.33
8.0.270.0030.00317.36
8.0.260.0000.00617.16
8.0.250.0040.00417.02
8.0.240.0060.00016.98
8.0.230.0030.00316.89
8.0.220.0000.00716.76
8.0.210.0050.00216.85
8.0.200.0000.00716.84
8.0.190.0000.00916.82
8.0.180.0040.00416.84
8.0.170.0000.00816.77
8.0.160.0000.00716.73
8.0.150.0030.00516.78
8.0.140.0000.00716.80
8.0.130.0000.00613.26
8.0.120.0020.00516.80
8.0.110.0070.00016.75
8.0.100.0070.00016.94
8.0.90.0050.00316.74
8.0.80.0040.01116.72
8.0.70.0000.00716.84
8.0.60.0050.00316.70
8.0.50.0040.00416.72
8.0.30.0110.00817.21
8.0.20.0130.00917.40
8.0.10.0000.00717.01
8.0.00.0090.00816.61
7.4.330.0000.00515.08
7.4.320.0030.00316.46
7.4.300.0000.00716.45
7.4.290.0040.00416.56
7.4.280.0050.00316.52
7.4.270.0040.00416.34
7.4.260.0040.00416.38
7.4.250.0040.00416.30
7.4.240.0020.00516.48
7.4.230.0030.00316.33
7.4.220.0120.00716.44
7.4.210.0070.00716.48
7.4.200.0000.00716.51
7.4.160.0130.00316.48
7.4.150.0120.01217.40
7.4.140.0110.01017.86
7.4.130.0130.00816.42
7.4.120.0070.00916.41
7.4.110.0110.01116.32
7.4.100.0170.00616.58
7.4.90.0030.01416.47
7.4.80.0030.01519.39
7.4.70.0030.01816.56
7.4.60.0070.01016.49
7.4.50.0000.00916.52
7.4.40.0120.00616.42
7.4.30.0090.00916.41
7.4.00.0070.01015.04
7.3.330.0060.00012.95
7.3.320.0020.00213.01
7.3.310.0030.00316.05
7.3.300.0040.00416.21
7.3.290.0110.00816.24
7.3.280.0090.00816.18
7.3.270.0120.00617.40
7.3.260.0140.00316.46
7.3.250.0100.00816.38
7.3.240.0120.00316.13
7.3.230.0080.00816.39
7.3.210.0130.00316.19
7.3.200.0090.00616.31
7.3.190.0180.00316.29
7.3.180.0090.00616.36
7.3.170.0170.00416.27
7.3.160.0160.00616.35
7.2.330.0070.01016.32
7.2.320.0030.01316.47
7.2.310.0060.00916.54
7.2.300.0030.01316.38
7.2.290.0130.00416.46
7.2.60.0000.01516.77
7.2.00.0030.01319.34
7.1.200.0040.00715.64
7.1.100.0070.00417.57
7.1.70.0120.00616.72
7.1.60.0160.00619.12
7.1.50.0110.00716.85
7.1.00.0030.07722.37
7.0.200.0130.00016.70
7.0.60.0200.07319.90
7.0.50.0070.07717.80
7.0.40.0070.08719.98
7.0.30.0270.08020.08
7.0.20.0270.08020.12
7.0.10.0100.07720.12
7.0.00.0070.04320.00
5.6.280.0030.03021.07
5.6.210.0000.06320.52
5.6.200.0130.05318.18
5.6.190.0030.06720.61
5.6.180.0270.06320.39
5.6.170.0200.04720.41
5.6.160.0070.06720.44
5.6.150.0070.06318.22
5.6.140.0070.07718.16
5.6.130.0130.07318.12
5.6.120.0100.08321.05
5.6.110.0030.04320.98
5.6.100.0070.06721.03
5.6.90.0100.04721.07
5.6.80.0070.08320.40
5.6.70.4470.03720.41
5.5.350.0070.08320.47
5.5.340.0000.04317.94
5.5.330.0130.03720.35
5.5.320.0330.06720.26
5.5.310.0270.07720.29
5.5.300.0170.04017.99
5.5.290.0070.08318.02
5.5.280.0070.08020.76
5.5.270.0070.07320.67
5.5.260.0100.06020.76
5.5.250.0100.08720.79
5.5.240.0130.06720.18
5.4.450.0300.05719.64
5.4.440.0600.06019.46
5.4.430.0570.06019.48
5.4.420.0730.06719.48
5.4.410.0770.07319.56
5.4.400.0830.04319.26
5.4.390.0600.05719.31
5.4.380.0830.05019.28
5.4.370.0800.05018.84
5.4.360.0630.05018.84
5.4.350.0700.04719.28
5.4.340.0630.04319.26
5.4.320.0700.07319.00
5.4.310.0700.05719.14
5.4.300.0500.05719.36
5.4.290.0770.05319.23
5.4.280.0670.06318.97
5.4.270.0600.06018.87
5.4.260.0700.05018.85
5.4.250.0670.04019.11
5.4.240.0700.05319.37
5.4.230.0530.06019.24
5.4.220.0630.06019.27
5.4.210.0570.04718.85
5.4.200.0770.05319.28
5.4.190.0730.05319.09
5.4.180.0730.07019.24
5.4.170.0630.05719.14
5.4.160.0930.05319.27
5.4.150.0800.05718.99
5.4.140.0800.05016.40
5.4.130.0900.05716.55
5.4.120.0700.05716.49
5.4.110.0670.06016.53
5.4.100.0900.06716.45
5.4.90.0630.05016.43
5.4.80.0730.04716.60
5.4.70.0330.02316.23
5.4.60.0300.06316.53
5.4.50.0030.05016.48
5.4.40.0030.07016.51
5.4.30.0030.07016.34
5.4.20.0030.05316.43

preferences:
52.67 ms | 401 KiB | 5 Q