3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ 'blah' => 1, 'foo' => 2, ]; $key = 'foo'; $val = $arr[$key]['ojppoj'] ?? null; echo $val; var_dump($arr);

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)
8.3.60.0100.01016.38
8.3.50.0140.01021.20
8.3.40.0040.01218.71
8.3.30.0070.01418.72
8.3.20.0030.00620.27
8.3.10.0050.00323.68
8.3.00.0100.00019.79
8.2.180.0140.00718.19
8.2.170.0120.00622.96
8.2.160.0100.01020.52
8.2.150.0050.00524.18
8.2.140.0090.00924.66
8.2.130.0090.00026.16
8.2.120.0100.00017.63
8.2.110.0050.00521.00
8.2.100.0040.00717.84
8.2.90.0050.00317.73
8.2.80.0060.00317.97
8.2.70.0000.00818.04
8.2.60.0080.00018.05
8.2.50.0040.00418.10
8.2.40.0090.00020.59
8.2.30.0000.01018.09
8.2.20.0040.00417.66
8.2.10.0000.00818.16
8.2.00.0040.00418.16
8.1.280.0080.01125.92
8.1.270.0080.00022.11
8.1.260.0100.00326.35
8.1.250.0110.00328.09
8.1.240.0040.00422.25
8.1.230.0070.00422.11
8.1.220.0000.00817.79
8.1.210.0000.00818.77
8.1.200.0030.00617.23
8.1.190.0040.00416.88
8.1.180.0040.00418.10
8.1.170.0000.00818.54
8.1.160.0060.00321.98
8.1.150.0060.00318.74
8.1.140.0050.00317.42
8.1.130.0020.00517.59
8.1.120.0000.00717.40
8.1.110.0000.00817.35
8.1.100.0040.00317.34
8.1.90.0030.00517.39
8.1.80.0000.00817.38
8.1.70.0000.00717.36
8.1.60.0030.00617.62
8.1.50.0040.00417.38
8.1.40.0030.00617.45
8.1.30.0080.00017.65
8.1.20.0000.00717.57
8.1.10.0030.00617.54
8.1.00.0040.00417.38
8.0.300.0070.00019.77
8.0.290.0040.00416.75
8.0.280.0000.00818.31
8.0.270.0050.00217.25
8.0.260.0000.00717.25
8.0.250.0050.00316.98
8.0.240.0080.00016.98
8.0.230.0040.00416.86
8.0.220.0030.00316.80
8.0.210.0000.00716.71
8.0.200.0030.00316.76
8.0.190.0000.00716.84
8.0.180.0000.00816.70
8.0.170.0090.00616.83
8.0.160.0080.00016.84
8.0.150.0030.00516.77
8.0.140.0020.00516.67
8.0.130.0080.00013.31
8.0.120.0090.00016.81
8.0.110.0040.00416.72
8.0.100.0020.00516.78
8.0.90.0030.00516.83
8.0.80.0090.00616.77
8.0.70.0040.00416.72
8.0.60.0030.00516.65
8.0.50.0050.00316.85
8.0.30.0110.00816.82
8.0.20.0130.01617.40
8.0.10.0080.00016.95
8.0.00.0060.01116.78
7.4.330.0000.00515.08
7.4.320.0060.00016.50
7.4.300.0060.00016.34
7.4.290.0030.00316.59
7.4.280.0030.00616.41
7.4.270.0070.00016.42
7.4.260.0060.00316.53
7.4.250.0000.00816.50
7.4.240.0050.00216.53
7.4.230.0000.00716.52
7.4.220.0170.00616.55
7.4.210.0050.00916.42
7.4.200.0000.00716.59
7.4.160.0070.00716.35
7.4.150.0110.00917.40
7.4.140.0110.00817.86
7.4.130.0070.01416.36
7.4.120.0130.00516.43
7.4.110.0120.00616.26
7.4.100.0150.00316.33
7.4.90.0130.00416.32
7.4.80.0140.00619.39
7.4.70.0110.00816.36
7.4.60.0170.00316.35
7.4.50.0000.00516.50
7.4.40.0100.00616.36
7.4.30.0040.01916.39
7.4.00.0110.00414.84
7.3.330.0100.00013.17
7.3.320.0050.00013.23
7.3.310.0070.00016.30
7.3.300.0000.00716.25
7.3.290.0040.00416.30
7.3.280.0120.00416.28
7.3.270.0180.00617.40
7.3.260.0070.01016.43
7.3.250.0090.01016.51
7.3.240.0120.00616.57
7.3.230.0100.00716.42
7.3.210.0110.00616.50
7.3.200.0040.01716.71
7.3.190.0090.01216.66
7.3.180.0030.01216.52
7.3.170.0060.00916.27
7.3.160.0090.00916.59
7.3.120.0130.00315.12
7.3.110.0090.00614.82
7.3.100.0030.01014.96
7.3.90.0030.01014.39
7.3.80.0110.00014.78
7.3.70.0060.01214.91
7.3.60.0070.00714.59
7.3.50.0080.00414.80
7.3.40.0090.00014.57
7.3.30.0080.00714.46
7.3.20.0040.01116.85
7.3.10.0050.00516.40
7.3.00.0070.01016.84
7.2.330.0070.01116.59
7.2.320.0000.01816.57
7.2.310.0120.00416.57
7.2.300.0070.01116.22
7.2.290.0090.01216.38
7.2.250.0070.01415.05
7.2.240.0100.00715.00
7.2.230.0030.01214.92
7.2.220.0080.00814.96
7.2.210.0130.00615.05
7.2.200.0100.00315.09
7.2.190.0070.00715.00
7.2.180.0070.00714.96
7.2.170.0000.00914.88
7.2.60.0180.00016.30
7.2.00.0110.00418.57
7.1.330.0120.00415.65
7.1.320.0000.01415.88
7.1.310.0130.00615.81
7.1.300.0030.01015.67
7.1.290.0120.00315.82
7.1.280.0070.00715.87
7.1.270.0000.00915.95
7.1.260.0090.00615.93
7.1.200.0000.01415.82
7.1.100.0110.00818.18
7.1.70.0090.00217.06
7.1.60.0070.00319.27
7.1.50.0100.02017.00
7.1.00.0000.08022.40
7.0.200.0150.00314.46
7.0.60.0200.05320.04
7.0.50.0070.03717.91
7.0.40.0070.04020.05
7.0.30.0230.05720.00
7.0.20.0230.08320.18
7.0.10.0400.04320.12
7.0.00.0070.06020.16
5.6.280.0070.07021.11
5.6.210.0170.06320.62
5.6.200.0000.04318.29
5.6.190.0100.08320.48
5.6.180.0330.05320.47
5.6.170.0330.07020.55
5.6.160.0130.07320.57
5.6.150.0000.06318.17
5.6.140.0130.07018.23
5.6.130.0100.08318.11
5.6.120.0130.08021.14
5.6.110.0070.07721.01
5.6.100.0130.07320.97
5.6.90.0030.08320.96
5.6.80.0100.08020.36
5.6.70.4470.04020.52
5.5.350.0170.07720.29
5.5.340.0130.07718.05
5.5.330.0100.03720.29
5.5.320.0300.04320.27
5.5.310.0300.03720.37
5.5.300.0000.08017.95
5.5.290.0100.03718.09
5.5.280.0000.04320.87
5.5.270.0070.08720.75
5.5.260.0100.04720.86
5.5.250.0000.04720.75
5.5.240.0230.07320.36
5.4.450.1030.04719.48
5.4.440.0730.06319.44
5.4.430.1030.05019.57
5.4.420.1100.05019.68
5.4.410.0900.05719.39
5.4.400.0870.05719.01
5.4.390.0870.06019.27
5.4.380.0930.05019.30
5.4.370.0830.07019.10
5.4.360.0830.07318.95
5.4.350.0770.06019.12
5.4.340.0900.05719.25
5.4.320.0330.04719.27
5.4.310.0070.06019.05
5.4.300.0030.06319.30
5.4.290.0370.05718.83
5.4.280.0800.05719.37
5.4.270.0830.06319.21
5.4.260.0800.06718.82
5.4.250.0670.06019.06
5.4.240.0800.05719.27
5.4.230.0970.07719.10
5.4.220.0800.05319.24
5.4.210.0930.06719.27
5.4.200.0900.06019.25
5.4.190.0870.05718.96
5.4.180.0700.06318.84
5.4.170.0700.06319.10
5.4.160.0770.06018.84
5.4.150.0800.05319.28
5.4.140.0670.06316.73
5.4.130.0730.04016.43
5.4.120.0800.05016.55
5.4.110.0630.06316.63
5.4.100.1000.04316.62
5.4.90.0870.05016.52
5.4.80.0830.05016.50
5.4.70.0270.06716.33
5.4.60.0170.04016.51
5.4.50.0030.07316.43
5.4.40.0070.07316.27
5.4.30.0070.06016.21
5.4.20.0370.06016.51

preferences:
58.2 ms | 401 KiB | 5 Q