3v4l.org

run code in 300+ PHP versions simultaneously
<?php $c = new stdclass; $c->prop = 'property'; $array = [ 'first' => 'first', ]; echo $notExisting ?? $c->notExisting ?? $c->prop; echo "\n"; echo $array['nonExisting'] ?? $array['first']; echo "\n";

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)
8.3.70.0120.00318.18
8.3.60.0110.00716.63
8.3.50.0100.01121.08
8.3.40.0070.00718.71
8.3.30.0140.00018.67
8.3.20.0040.00420.16
8.3.10.0070.00023.68
8.3.00.0080.00019.79
8.2.190.0090.00616.75
8.2.180.0040.01116.63
8.2.170.0110.00722.96
8.2.160.0100.00320.57
8.2.150.0000.00824.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0040.00417.63
8.2.110.0040.00422.03
8.2.100.0080.00417.63
8.2.90.0060.00319.17
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0030.00717.93
8.2.50.0040.00418.07
8.2.40.0080.00019.45
8.2.30.0070.00019.91
8.2.20.0040.00417.62
8.2.10.0000.00717.93
8.2.00.0070.00018.04
8.1.280.0000.01525.92
8.1.270.0040.00420.21
8.1.260.0000.00826.35
8.1.250.0030.00528.09
8.1.240.0090.00022.62
8.1.230.0060.00617.42
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0090.00017.35
8.1.190.0050.00317.35
8.1.180.0070.00018.10
8.1.170.0080.00018.54
8.1.160.0100.00022.03
8.1.150.0030.00318.79
8.1.140.0090.00017.43
8.1.130.0000.00717.68
8.1.120.0000.00717.30
8.1.110.0040.00417.38
8.1.100.0000.00817.41
8.1.90.0000.00717.28
8.1.80.0050.00217.40
8.1.70.0050.00317.32
8.1.60.0040.00417.58
8.1.50.0070.00417.40
8.1.40.0040.00417.50
8.1.30.0000.00817.58
8.1.20.0040.00417.57
8.1.10.0050.00217.57
8.1.00.0000.00817.44
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0090.00018.45
8.0.270.0030.00317.21
8.0.260.0040.00417.25
8.0.250.0000.00716.87
8.0.240.0040.00416.84
8.0.230.0070.00016.79
8.0.220.0000.00716.86
8.0.210.0070.00016.82
8.0.200.0050.00216.90
8.0.190.0080.00016.78
8.0.180.0040.00416.76
8.0.170.0000.00716.78
8.0.160.0030.00316.86
8.0.150.0070.00016.76
8.0.140.0090.00016.73
8.0.130.0030.00313.31
8.0.120.0040.00416.82
8.0.110.0000.00816.71
8.0.100.0000.00816.63
8.0.90.0000.00816.71
8.0.80.0080.00816.80
8.0.70.0060.00316.71
8.0.60.0070.00016.66
8.0.50.0040.00416.69
8.0.30.0120.00717.04
8.0.20.0150.00617.40
8.0.10.0040.00416.80
8.0.00.0140.00616.67
7.4.330.0050.00015.09
7.4.320.0000.00616.63
7.4.300.0000.00616.62
7.4.290.0000.00716.52
7.4.280.0000.00716.43
7.4.270.0060.00316.61
7.4.260.0070.00016.58
7.4.250.0000.00716.45
7.4.240.0030.00516.46
7.4.230.0030.00416.38
7.4.220.0070.01016.52
7.4.210.0090.00516.51
7.4.200.0000.00716.50
7.4.160.0090.00916.39
7.4.150.0120.00617.40
7.4.140.0070.01217.86
7.4.130.0050.01216.60
7.4.120.0030.01416.54
7.4.110.0130.00616.29
7.4.100.0200.00316.45
7.4.90.0090.00916.70
7.4.80.0100.01319.39
7.4.70.0190.00316.48
7.4.60.0090.00916.37
7.4.50.0030.00516.34
7.4.40.0100.00616.51
7.4.30.0120.00916.61
7.4.00.0050.01114.92
7.3.330.0000.00613.21
7.3.320.0030.00213.08
7.3.310.0000.00716.37
7.3.300.0030.00316.17
7.3.290.0030.00316.34
7.3.280.0100.00716.31
7.3.270.0060.01217.40
7.3.260.0180.00016.45
7.3.250.0070.01016.42
7.3.240.0160.00316.31
7.3.230.0100.00716.44
7.3.210.0110.00716.43
7.3.200.0110.00716.44
7.3.190.0110.00716.34
7.3.180.0030.01216.26
7.3.170.0100.00616.42
7.3.160.0100.01216.36
7.3.120.0040.01414.60
7.3.110.0170.00014.82
7.3.100.0000.01314.93
7.3.90.0120.00314.84
7.3.80.0070.00714.77
7.3.70.0050.00514.54
7.3.60.0080.00614.69
7.3.50.0070.00714.79
7.3.40.0070.00714.67
7.3.30.0070.00714.55
7.3.20.0040.01116.51
7.3.10.0070.01016.60
7.3.00.0080.00516.63
7.2.330.0070.01116.82
7.2.320.0160.00616.36
7.2.310.0070.01116.80
7.2.300.0140.00316.72
7.2.290.0100.01316.55
7.2.250.0120.00015.05
7.2.240.0070.01315.09
7.2.230.0000.01315.32
7.2.220.0040.01114.96
7.2.210.0000.01515.31
7.2.200.0060.00314.96
7.2.190.0080.00815.11
7.2.180.0040.01115.14
7.2.170.0070.00714.92
7.2.130.0110.00317.04
7.2.120.0110.00417.11
7.2.110.0090.00616.73
7.2.100.0060.00616.77
7.2.90.0040.01316.91
7.2.80.0110.01116.81
7.2.70.0160.00617.00
7.2.60.0120.00616.82
7.2.50.0090.00916.97
7.2.40.0130.00716.92
7.2.30.0120.00616.67
7.2.20.0070.01117.13
7.2.10.0030.01516.71
7.2.00.0050.00718.33
7.1.330.0060.00815.89
7.1.320.0030.01015.78
7.1.310.0040.01215.89
7.1.300.0070.00715.73
7.1.290.0040.00815.46
7.1.280.0060.00915.65
7.1.270.0060.00915.67
7.1.260.0090.00915.74
7.1.250.0060.00816.01
7.1.200.0080.00415.72
7.1.100.0070.00718.12
7.1.70.0040.00417.26
7.1.60.0070.01720.03
7.1.50.0030.02017.02
7.1.00.0130.06722.42
7.0.200.0030.00316.75
7.0.60.0100.08020.07
7.0.50.0130.04717.80
7.0.40.0100.05020.12
7.0.30.0370.07020.18
7.0.20.0300.07720.18
7.0.10.0130.07320.12
7.0.00.0000.04720.12
5.6.280.0070.03020.89
5.6.210.0030.05320.61
5.6.200.0130.07318.25
5.6.190.0030.04320.47
5.6.180.0230.05320.46
5.6.170.0200.04320.46
5.6.160.0070.09020.44
5.6.150.0030.08318.11
5.6.140.0030.08318.18
5.6.130.0100.06318.15
5.6.120.0200.07321.09
5.6.110.0070.07020.99
5.6.100.0130.07721.04
5.6.90.0130.08320.97
5.6.80.0030.04020.51
5.5.350.0030.08020.40
5.5.340.0130.07018.07
5.5.330.0100.04320.40
5.5.320.3870.04320.36
5.5.310.0330.05720.35
5.5.300.0070.06717.95
5.5.290.0170.07717.93
5.5.280.0070.08020.75
5.5.270.0070.03720.84
5.5.260.0200.07320.79
5.5.250.0100.07720.57
5.5.240.0000.04020.16
5.4.450.0230.05319.47
5.4.440.0370.05719.45
5.4.430.0200.06019.58
5.4.420.0230.05719.20
5.4.410.0170.06019.21
5.4.400.0330.05019.15
5.4.390.0230.05319.15
5.4.380.0330.07019.02
5.4.370.0300.05019.26
5.4.360.0170.06318.99
5.4.350.0230.05019.26
5.4.340.0200.05719.26
5.4.320.0030.07018.84
5.4.310.0230.05719.28
5.4.300.0230.05019.29
5.4.290.0170.05318.83
5.4.280.0270.05319.26
5.4.270.0230.05019.25
5.4.260.0330.05719.14
5.4.250.0330.05319.28
5.4.240.0300.05319.28
5.4.230.0230.05719.12
5.4.220.0230.05019.30
5.4.210.0270.05319.12
5.4.200.0300.05319.14
5.4.190.0400.07719.14
5.4.180.0370.06719.25
5.4.170.0300.07018.97
5.4.160.0170.05319.14
5.4.150.0070.06319.04
5.4.140.0200.05016.55
5.4.130.0170.05716.39
5.4.120.0200.04716.49
5.4.110.0200.05016.64
5.4.100.0200.05016.64
5.4.90.0200.05316.64
5.4.80.0170.05016.52
5.4.70.0200.04016.52
5.4.60.0100.06016.17
5.4.50.0030.04316.55
5.4.40.0130.04316.16
5.4.30.0200.03316.42
5.4.20.0370.06716.25

preferences:
42.52 ms | 401 KiB | 5 Q