3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = new stdClass; $bar = new stdClass; $bar->x = "foobar"; $foo->bar = $bar; var_dump($foo->bar->x ?? "1"); var_dump($foo->bar->x->y ?? "2"); var_dump($foo->x->bar ?? "3");

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)
8.5.30.0120.00421.82
8.5.20.0080.00820.23
8.5.10.0090.00820.05
8.5.00.0130.00919.81
8.4.180.0130.00819.75
8.4.170.0060.00323.87
8.4.160.0060.00523.00
8.4.150.0100.00316.85
8.4.140.0170.00717.31
8.4.130.0110.01017.64
8.4.120.0110.00820.29
8.4.110.0110.00922.50
8.4.100.0090.01317.71
8.4.90.0090.00522.30
8.4.80.0070.00319.48
8.4.70.0030.00517.70
8.4.60.0120.00818.79
8.4.50.0080.01220.50
8.4.40.0070.00719.37
8.4.30.0040.01119.31
8.4.20.0170.00319.46
8.4.10.0030.01719.61
8.3.300.0120.00919.28
8.3.290.0100.01020.88
8.3.280.0110.01118.38
8.3.270.0100.01016.50
8.3.260.0070.00216.61
8.3.250.0120.00618.84
8.3.240.0050.00416.46
8.3.230.0070.00516.50
8.3.220.0060.00220.61
8.3.210.0110.00718.37
8.3.200.0060.00416.81
8.3.190.0090.00416.98
8.3.180.0090.01116.57
8.3.170.0140.00417.10
8.3.160.0110.00719.98
8.3.150.0100.00718.93
8.3.140.0030.00517.09
8.3.130.0000.00818.36
8.3.120.0080.00019.18
8.3.110.0050.00320.94
8.3.100.0080.00024.06
8.3.90.0080.00326.77
8.3.80.0050.00517.97
8.3.70.0100.01016.50
8.3.60.0110.01116.38
8.3.50.0140.00521.10
8.3.40.0070.01318.71
8.3.30.0060.00918.76
8.3.20.0040.00418.60
8.3.10.0050.00221.77
8.3.00.0040.00421.76
8.2.300.0160.00618.11
8.2.290.0110.00920.63
8.2.280.0050.00518.35
8.2.270.0090.00917.20
8.2.260.0080.00017.13
8.2.250.0080.00018.40
8.2.240.0040.00419.08
8.2.230.0150.00022.58
8.2.220.0000.00937.54
8.2.210.0080.01126.77
8.2.200.0040.00718.16
8.2.190.0120.00616.75
8.2.180.0120.00916.50
8.2.170.0000.01522.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00422.17
8.2.120.0040.00426.35
8.2.110.0000.00922.08
8.2.100.0060.00617.72
8.2.90.0030.00617.50
8.2.80.0040.00417.97
8.2.70.0000.00817.68
8.2.60.0040.00419.23
8.2.50.0000.00818.10
8.2.40.0050.00320.43
8.2.30.0050.00219.26
8.2.20.0040.00418.07
8.2.10.0040.00417.93
8.2.00.0030.00617.50
8.1.340.0120.00817.59
8.1.330.0110.00322.00
8.1.320.0120.00516.14
8.1.310.0060.01118.16
8.1.300.0040.00417.70
8.1.290.0030.00630.84
8.1.280.0150.00625.92
8.1.270.0080.00023.97
8.1.260.0000.00728.09
8.1.250.0080.00028.09
8.1.240.0030.00623.81
8.1.230.0040.00719.09
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.36
8.1.190.0030.00517.13
8.1.180.0000.00818.10
8.1.170.0040.00418.33
8.1.160.0040.00422.15
8.1.150.0030.00418.75
8.1.140.0000.00719.57
8.1.130.0070.00017.70
8.1.120.0000.00817.44
8.1.110.0000.00717.41
8.1.100.0050.00317.39
8.1.90.0000.00717.38
8.1.80.0040.00317.41
8.1.70.0080.00017.33
8.1.60.0040.00417.62
8.1.50.0000.00917.51
8.1.40.0120.00017.54
8.1.30.0000.00817.72
8.1.20.0030.00517.50
8.1.10.0060.00317.45
8.1.00.0060.00317.53
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.25
8.0.270.0070.00017.15
8.0.260.0040.00317.19
8.0.250.0000.00616.77
8.0.240.0040.00416.91
8.0.230.0030.00316.89
8.0.220.0070.00016.79
8.0.210.0030.00316.71
8.0.200.0070.00016.79
8.0.190.0030.00416.89
8.0.180.0000.00716.75
8.0.170.0040.00416.87
8.0.160.0030.00416.89
8.0.150.0000.00716.73
8.0.140.0030.00416.80
8.0.130.0030.00313.26
8.0.120.0000.00716.74
8.0.110.0040.00416.66
8.0.100.0000.00716.65
8.0.90.0000.00816.82
8.0.80.0060.01216.82
8.0.70.0000.00816.82
8.0.60.0040.00416.70
8.0.50.0000.00716.81
8.0.30.0130.01017.09
8.0.20.0130.00817.40
8.0.10.0030.00317.02
8.0.00.0030.01316.63
7.4.330.0000.00515.55
7.4.320.0000.00616.61
7.4.300.0060.00016.51
7.4.290.0000.00716.58
7.4.280.0060.00316.40
7.4.270.0070.00016.51
7.4.260.0030.00316.50
7.4.250.0080.00016.50
7.4.240.0000.00716.60
7.4.230.0000.00716.68
7.4.220.0090.01216.43
7.4.210.0040.01116.67
7.4.200.0000.00716.59
7.4.160.0090.00716.48
7.4.150.0100.01017.40
7.4.140.0080.00917.86
7.4.130.0110.00916.40
7.4.120.0100.00716.51
7.4.110.0030.01516.46
7.4.100.0090.00916.48
7.4.90.0100.00716.49
7.4.80.0140.00419.39
7.4.70.0120.00616.50
7.4.60.0120.00316.25
7.4.50.0100.00316.66
7.4.40.0180.00716.39
7.4.30.0060.00916.46
7.4.00.0080.00814.97
7.3.330.0000.00613.00
7.3.320.0050.00013.19
7.3.310.0000.00716.11
7.3.300.0070.00016.33
7.3.290.0100.00316.24
7.3.280.0090.00816.31
7.3.270.0150.00317.40
7.3.260.0090.01116.32
7.3.250.0100.00816.35
7.3.240.0100.01116.51
7.3.230.0120.00616.39
7.3.210.0130.00316.45
7.3.200.0110.00616.40
7.3.190.0090.00816.60
7.3.180.0100.00616.34
7.3.170.0130.00516.37
7.3.160.0100.00716.36
7.3.120.0060.01214.63
7.3.110.0030.01314.95
7.3.100.0120.00815.05
7.3.90.0030.01014.82
7.3.80.0030.00915.05
7.3.70.0070.00414.76
7.3.60.0060.00614.77
7.3.50.0040.00815.02
7.3.40.0040.00414.96
7.3.30.0060.00614.87
7.3.20.0110.00316.61
7.3.10.0030.00616.66
7.3.00.0080.00416.72
7.2.330.0120.01316.71
7.2.320.0100.01316.80
7.2.310.0120.00616.54
7.2.300.0180.00716.84
7.2.290.0100.00616.50
7.2.250.0030.01315.05
7.2.240.0000.01614.88
7.2.230.0030.01314.82
7.2.220.0030.00714.62
7.2.210.0100.00615.00
7.2.200.0060.00914.95
7.2.190.0000.01114.83
7.2.180.0080.00814.93
7.2.170.0100.00714.82
7.2.160.0000.01215.00
7.2.150.0060.00616.77
7.2.140.0000.01216.76
7.2.130.0080.00416.92
7.2.120.0060.00616.91
7.2.110.0070.00717.14
7.2.100.0070.00716.93
7.2.90.0120.00016.90
7.2.80.0050.00816.56
7.2.70.0070.01016.55
7.2.60.0180.00716.61
7.2.50.0030.01016.87
7.2.40.0060.00916.70
7.2.30.0090.00616.81
7.2.20.0090.00616.78
7.2.10.0070.00716.85
7.2.00.0050.01018.15
7.1.330.0060.01015.66
7.1.320.0100.00715.70
7.1.310.0100.00715.73
7.1.300.0030.00915.73
7.1.290.0000.01515.39
7.1.280.0060.00615.70
7.1.270.0090.00615.93
7.1.260.0030.00715.49
7.1.250.0030.00615.65
7.1.240.0000.01115.52
7.1.230.0030.01015.79
7.1.220.0000.01015.78
7.1.210.0060.00615.57
7.1.200.0080.00515.78
7.1.190.0060.00315.80
7.1.180.0070.00715.55
7.1.170.0040.01115.46
7.1.160.0050.00515.64
7.1.150.0070.00715.96
7.1.140.0030.01215.98
7.1.130.0070.01015.75
7.1.120.0030.00915.75
7.1.110.0030.01015.75
7.1.100.0070.00715.86
7.1.90.0110.00415.79
7.1.80.0090.00015.77
7.1.70.0030.00716.38
7.1.60.0020.00816.46
7.1.50.0090.00516.13
7.1.40.0100.00015.88
7.1.30.0000.01415.81
7.1.20.0060.00615.87
7.1.10.0040.00415.63
7.1.00.0080.03819.11
7.0.330.0000.01015.37
7.0.320.0060.00615.52
7.0.310.0040.00415.04
7.0.300.0030.00615.51
7.0.290.0060.00615.41
7.0.280.0070.00715.02
7.0.270.0060.01015.31
7.0.260.0030.01015.00
7.0.250.0000.00915.37
7.0.240.0060.00915.26
7.0.230.0030.00615.23
7.0.220.0030.00715.37
7.0.210.0110.00315.10
7.0.200.0040.00816.04
7.0.190.0090.00315.25
7.0.180.0040.00815.42
7.0.170.0090.00315.27
7.0.160.0000.01115.17
7.0.150.0060.00315.53
7.0.140.0060.00615.01
7.0.130.0070.00315.27
7.0.120.0220.03017.88
7.0.110.0200.04317.82
7.0.100.0180.03017.69
7.0.90.0120.03717.80
7.0.80.0130.03317.79
7.0.70.0160.03417.81
7.0.60.0180.02817.77
7.0.50.0180.03817.87
7.0.40.0180.03116.96
7.0.30.0180.03016.91
7.0.20.0170.03016.81
7.0.10.0080.03816.88
7.0.00.0180.02716.89
5.6.400.0030.01014.13
5.6.390.0030.01014.37
5.6.380.0000.01414.38
5.6.370.0040.00714.11
5.6.360.0060.00313.80
5.6.350.0130.00014.23
5.6.340.0090.00613.89
5.6.330.0040.00414.10
5.6.320.0040.00814.36
5.6.310.0060.00614.09
5.6.300.0070.00414.28
5.6.290.0040.00814.27
5.6.280.0070.00714.43
5.6.270.0130.03917.47
5.6.260.0070.03917.65
5.6.250.0100.03717.50
5.6.240.0050.03617.59
5.6.230.0050.03517.46
5.6.220.0120.03017.60
5.6.210.0090.03317.56
5.6.200.0100.03417.55
5.6.190.0070.03317.55
5.6.180.0060.03317.53
5.6.170.0070.03317.47
5.6.160.0120.03717.49
5.6.150.0100.03817.39
5.6.140.0070.03717.49
5.6.130.0060.03017.50
5.6.120.0110.03017.51
5.6.110.0060.03317.56
5.6.100.0090.03217.32
5.6.90.0080.03017.50
5.6.80.0030.03317.26
5.6.70.0050.03317.09
5.6.60.0050.03017.18
5.6.50.0060.03017.34
5.6.40.0080.02717.05
5.6.30.0090.02717.20
5.6.20.0070.03017.28
5.6.10.0070.03317.12
5.6.00.0020.03517.14

preferences:
57.14 ms | 1946 KiB | 5 Q