3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo $a ?? 2;

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)
8.3.60.0100.01016.50
8.3.50.0130.00821.02
8.3.40.0110.00418.53
8.3.30.0140.00718.47
8.3.20.0040.00420.26
8.3.10.0000.00823.47
8.3.00.0040.00419.25
8.2.180.0090.00916.32
8.2.170.0070.01322.96
8.2.160.0100.01021.99
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0060.00317.50
8.2.120.0000.00726.35
8.2.110.0000.01019.11
8.2.100.0120.00017.91
8.2.90.0090.00019.17
8.2.80.0070.00417.97
8.2.70.0070.00317.38
8.2.60.0090.00317.43
8.2.50.0030.00518.07
8.2.40.0000.00719.18
8.2.30.0000.00820.66
8.2.20.0090.00017.71
8.2.10.0040.00417.79
8.2.00.0000.00817.95
8.1.280.0070.01125.92
8.1.270.0000.01023.83
8.1.260.0030.00628.09
8.1.250.0040.00428.09
8.1.240.0080.00020.94
8.1.230.0110.00017.42
8.1.220.0080.00017.74
8.1.210.0000.00818.77
8.1.200.0000.01217.00
8.1.190.0040.00417.11
8.1.180.0070.00018.10
8.1.170.0030.00718.71
8.1.160.0000.00721.87
8.1.150.0000.00818.61
8.1.140.0050.00319.31
8.1.130.0000.00717.61
8.1.120.0040.00417.23
8.1.110.0040.00417.34
8.1.100.0050.00317.32
8.1.90.0040.00417.22
8.1.80.0000.00717.35
8.1.70.0070.00017.29
8.1.60.0060.00317.52
8.1.50.0000.00817.30
8.1.40.0000.00817.28
8.1.30.0000.00917.36
8.1.20.0000.00717.36
8.1.10.0060.00317.30
8.1.00.0030.00717.30
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0000.00818.27
8.0.270.0030.00317.05
8.0.260.0030.00317.14
8.0.250.0030.00316.91
8.0.240.0080.00016.77
8.0.230.0000.00816.70
8.0.220.0000.00716.65
8.0.210.0000.00716.65
8.0.200.0060.00016.81
8.0.190.0000.00816.82
8.0.180.0040.00416.79
8.0.170.0030.00916.80
8.0.160.0070.00016.59
8.0.150.0000.00716.75
8.0.140.0040.00416.75
8.0.130.0000.00613.25
8.0.120.0000.00816.77
8.0.110.0000.00716.74
8.0.100.0080.00016.81
8.0.90.0000.00716.74
8.0.80.0080.01216.71
8.0.70.0000.00816.67
8.0.60.0050.00216.59
8.0.50.0040.00416.82
8.0.30.0080.00916.96
8.0.20.0080.01117.40
8.0.10.0040.00416.71
8.0.00.0110.00716.60
7.4.330.0000.00516.67
7.4.320.0030.00316.38
7.4.300.0030.00316.25
7.4.290.0040.00416.50
7.4.280.0040.00416.45
7.4.270.0030.00316.37
7.4.260.0000.00716.41
7.4.250.0030.00516.47
7.4.240.0030.00516.37
7.4.230.0030.00316.39
7.4.220.0150.01416.33
7.4.210.0050.01216.48
7.4.200.0000.00716.56
7.4.160.0130.00316.46
7.4.150.0110.00717.40
7.4.140.0160.00517.86
7.4.130.0110.00616.46
7.4.120.0110.00616.33
7.4.110.0100.00716.42
7.4.100.0060.01316.23
7.4.90.0130.00316.42
7.4.80.0140.00319.39
7.4.70.0150.00316.32
7.4.60.0060.01116.45
7.4.50.0120.00615.95
7.4.40.0040.01116.27
7.4.30.0090.00616.09
7.4.00.0100.00715.04
7.3.330.0000.00513.06
7.3.320.0000.00513.07
7.3.310.0070.00016.03
7.3.300.0030.00316.15
7.3.290.0000.00716.15
7.3.280.0120.00516.22
7.3.270.0140.00317.40
7.3.260.0100.00716.27
7.3.250.0110.00616.27
7.3.240.0050.01316.13
7.3.230.0090.00616.39
7.3.210.0140.00316.31
7.3.200.0100.00716.21
7.3.190.0100.01316.14
7.3.180.0090.00616.23
7.3.170.0060.00916.27
7.3.160.0110.01116.35
7.2.330.0090.00616.51
7.2.320.0140.00316.57
7.2.310.0060.01416.46
7.2.300.0060.01216.59
7.2.290.0090.00916.40
7.2.60.0070.00716.53
7.2.00.0090.00619.23
7.1.200.0000.01215.43
7.1.100.0070.01018.06
7.1.70.0050.00317.02
7.1.60.0030.01719.48
7.1.50.0100.01016.74
7.1.00.0030.07722.42
7.0.200.0440.00714.61
7.0.60.0000.08319.85
7.0.50.0070.08017.89
7.0.40.0030.06320.02
7.0.30.0130.04720.02
7.0.20.0270.07720.09
7.0.10.0070.04720.33
7.0.00.0030.04020.03
5.6.280.0070.02721.02
5.6.210.0170.06720.66
5.6.200.0000.04718.18
5.6.190.0030.04320.64
5.6.180.0270.08020.50
5.6.170.0270.07320.45
5.6.160.0070.08020.61
5.6.150.0000.04318.18
5.6.140.0030.04018.18
5.6.130.0100.03318.14
5.6.120.0100.06321.02
5.6.110.0100.08321.02
5.6.100.0100.08320.98
5.6.90.0130.07721.02
5.6.80.0100.06720.28
5.5.350.4230.03720.39
5.5.340.0030.05017.99
5.5.330.0030.05720.38
5.5.320.0000.04320.30
5.5.310.0200.04320.27
5.5.300.0130.04318.07
5.5.290.0100.05317.99
5.5.280.0070.08320.65
5.5.270.0070.08320.85
5.5.260.0000.08320.86
5.5.250.0100.08720.69
5.5.240.0130.05320.03

preferences:
42.86 ms | 401 KiB | 5 Q