3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'a'; $b = 'b'; $c = new stdclass; $c->prop = 'property'; echo $x ?? $c->none ?? $c->prop;

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)
8.3.60.0140.00416.25
8.3.50.0160.00521.21
8.3.40.0090.00618.57
8.3.30.0070.01418.55
8.3.20.0060.00320.16
8.3.10.0080.00023.66
8.3.00.0040.00419.55
8.2.180.0090.00916.63
8.2.170.0140.00322.96
8.2.160.0110.00420.37
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0060.00317.50
8.2.110.0000.00922.11
8.2.100.0110.00017.63
8.2.90.0060.00319.21
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0060.00617.91
8.2.50.0080.00018.07
8.2.40.0000.00921.05
8.2.30.0060.00319.82
8.2.20.0040.00417.59
8.2.10.0040.00417.93
8.2.00.0000.00818.10
8.1.280.0040.01125.92
8.1.270.0050.00320.20
8.1.260.0000.00726.35
8.1.250.0050.00228.09
8.1.240.0030.00622.52
8.1.230.0040.00717.48
8.1.220.0030.00717.79
8.1.210.0000.00818.77
8.1.200.0060.00317.36
8.1.190.0030.00517.35
8.1.180.0020.00518.10
8.1.170.0000.00818.54
8.1.160.0000.01021.87
8.1.150.0000.00818.73
8.1.140.0000.00817.38
8.1.130.0000.00817.64
8.1.120.0070.00017.42
8.1.110.0020.00517.31
8.1.100.0000.00717.34
8.1.90.0000.00717.39
8.1.80.0000.00817.23
8.1.70.0040.00417.42
8.1.60.0040.00417.59
8.1.50.0070.00317.52
8.1.40.0030.00517.47
8.1.30.0080.00017.64
8.1.20.0050.00217.50
8.1.10.0050.00317.48
8.1.00.0000.00717.52
8.0.300.0040.00418.77
8.0.290.0050.00216.75
8.0.280.0030.00318.44
8.0.270.0000.00817.32
8.0.260.0030.00317.29
8.0.250.0040.00416.85
8.0.240.0040.00416.86
8.0.230.0030.00316.93
8.0.220.0000.00816.78
8.0.210.0030.00616.73
8.0.200.0030.00316.78
8.0.190.0040.00416.90
8.0.180.0000.00716.74
8.0.170.0030.00616.88
8.0.160.0000.00716.81
8.0.150.0030.00316.67
8.0.140.0060.00616.75
8.0.130.0050.00013.27
8.0.120.0050.00316.66
8.0.110.0030.00516.71
8.0.100.0000.00816.93
8.0.90.0050.00216.81
8.0.80.0040.01116.83
8.0.70.0030.00616.83
8.0.60.0000.00716.95
8.0.50.0000.00716.82
8.0.30.0080.01216.97
8.0.20.0140.00717.40
8.0.10.0000.00816.98
8.0.00.0070.01216.74
7.4.330.0000.00515.08
7.4.320.0030.00316.60
7.4.300.0030.00316.48
7.4.290.0030.00316.59
7.4.280.0080.00016.40
7.4.270.0030.00516.60
7.4.260.0030.00416.48
7.4.250.0040.00416.43
7.4.240.0020.00516.55
7.4.230.0030.00316.48
7.4.220.0070.01116.67
7.4.210.0080.00616.54
7.4.200.0000.00616.71
7.4.160.0100.00616.35
7.4.150.0040.01917.40
7.4.140.0090.00917.86
7.4.130.0100.00816.50
7.4.120.0080.00916.47
7.4.110.0130.00416.42
7.4.100.0150.00916.38
7.4.90.0110.00616.53
7.4.80.0130.00419.39
7.4.70.0070.01516.57
7.4.60.0040.01216.59
7.4.50.0040.00416.54
7.4.40.0140.00316.31
7.4.30.0110.00916.64
7.4.00.0150.00215.10
7.3.330.0060.00013.17
7.3.320.0000.00513.11
7.3.310.0000.00716.13
7.3.300.0070.00016.10
7.3.290.0030.00316.25
7.3.280.0090.01216.25
7.3.270.0060.01217.40
7.3.260.0150.00316.39
7.3.250.0100.00716.46
7.3.240.0040.01216.40
7.3.230.0100.00616.39
7.3.210.0130.01016.49
7.3.200.0060.01116.39
7.3.190.0030.01316.31
7.3.180.0090.00616.23
7.3.170.0160.00016.32
7.3.160.0100.00616.35
7.3.120.0030.01614.79
7.3.110.0070.01014.52
7.3.100.0060.00914.58
7.3.90.0000.01515.02
7.3.80.0070.00714.80
7.3.70.0040.00714.53
7.3.60.0030.01414.77
7.3.50.0060.00614.92
7.3.40.0030.00614.70
7.3.30.0000.00814.64
7.3.20.0000.01416.75
7.3.10.0090.00316.73
7.3.00.0090.00316.40
7.2.330.0160.00616.70
7.2.320.0190.00316.70
7.2.310.0130.00916.32
7.2.300.0130.00916.45
7.2.290.0150.00716.41
7.2.250.0040.01515.06
7.2.240.0090.01215.23
7.2.230.0110.00415.09
7.2.220.0070.00715.19
7.2.210.0060.00315.20
7.2.200.0030.01015.20
7.2.190.0070.01014.91
7.2.180.0050.00514.65
7.2.170.0030.01015.25
7.2.60.0130.00316.92
7.2.00.0000.01619.50
7.1.330.0130.00315.79
7.1.320.0030.00615.71
7.1.310.0120.00315.86
7.1.300.0030.01415.64
7.1.290.0040.00415.56
7.1.280.0030.01015.84
7.1.270.0030.00915.66
7.1.260.0140.00015.41
7.1.200.0060.00615.57
7.1.100.0040.00817.87
7.1.70.0070.00717.18
7.1.60.0070.01720.03
7.1.50.0070.01316.88
7.1.00.0000.08022.30
7.0.200.0030.00316.81
7.0.60.0030.07720.04
7.0.50.0100.08317.79
7.0.40.0000.09319.96
7.0.30.0330.07020.21
7.0.20.0200.04320.00
7.0.10.0130.06320.20
7.0.00.0070.07720.00
5.6.280.0030.03321.08
5.6.210.0030.04020.52
5.6.200.0130.05018.12
5.6.190.0100.04320.57
5.6.180.0500.06320.61
5.6.170.0230.07720.62
5.6.160.0030.05720.55
5.6.150.0130.05018.29
5.6.140.0070.03718.28
5.6.130.0070.06318.17
5.6.120.0000.05320.95
5.6.110.0070.07720.99
5.6.100.0070.08321.13
5.6.90.0200.07320.98
5.6.80.0030.08020.53
5.5.350.0030.07720.40
5.5.340.0000.05718.07
5.5.330.0070.07320.58
5.5.320.1170.04320.41
5.5.310.0230.04720.27
5.5.300.0030.04717.98
5.5.290.0070.07317.98
5.5.280.0100.08320.80
5.5.270.0070.09020.96
5.5.260.0030.07720.66
5.5.250.0070.07720.56
5.5.240.0030.08020.15
5.4.450.0270.05319.68
5.4.440.0230.06019.34
5.4.430.0170.06019.71
5.4.420.0300.05019.44
5.4.410.0270.04719.36
5.4.400.0300.05319.36
5.4.390.0130.06718.91
5.4.380.0170.06019.16
5.4.370.0270.04318.88
5.4.360.0170.06018.89
5.4.350.0270.04319.16
5.4.340.0230.05019.25
5.4.320.0130.06319.20
5.4.310.0330.04318.79
5.4.300.0300.05019.20
5.4.290.0270.05318.97
5.4.280.0170.05319.21
5.4.270.0070.05719.24
5.4.260.0200.05018.96
5.4.250.0200.05018.94
5.4.240.0070.06018.94
5.4.230.0270.04718.96
5.4.220.0270.05719.19
5.4.210.0370.06018.97
5.4.200.0170.06019.35
5.4.190.0130.06018.93
5.4.180.0200.05719.15
5.4.170.0130.05719.18
5.4.160.0230.04318.79
5.4.150.0130.06318.79
5.4.140.0270.05316.31
5.4.130.0200.05316.41
5.4.120.0200.05016.49
5.4.110.0230.04716.52
5.4.100.0170.05316.58
5.4.90.0170.04316.41
5.4.80.0170.04716.63
5.4.70.0230.04716.54
5.4.60.0200.06316.35
5.4.50.0030.07716.51
5.4.40.0270.06716.45
5.4.30.0000.03316.55
5.4.20.0330.06016.42
5.4.10.0300.03316.53

preferences:
53.28 ms | 401 KiB | 5 Q