3v4l.org

run code in 300+ PHP versions simultaneously
<?php error_reporting(E_ALL); $arr=null; $val=$arr['klsjb']; if ($val===null) echo "value is null"; print_r($val);

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)
8.3.40.0070.00718.55
8.3.30.0090.00618.59
8.3.20.0090.00018.64
8.3.10.0040.00418.79
8.3.00.0060.00319.26
8.2.170.0110.00622.96
8.2.160.0040.01121.09
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0080.00020.79
8.2.110.0080.00322.01
8.2.100.0110.00018.04
8.2.90.0080.00018.34
8.2.80.0050.00219.46
8.2.70.0000.00817.50
8.2.60.0000.00718.05
8.2.50.0050.00318.07
8.2.40.0040.00418.00
8.2.30.0070.00017.91
8.2.20.0000.00717.57
8.2.10.0050.00317.74
8.2.00.0030.00617.78
8.1.270.0000.00724.66
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0000.00922.05
8.1.230.0000.01222.74
8.1.220.0000.00817.74
8.1.210.0040.00418.91
8.1.200.0030.00617.23
8.1.190.0060.00317.40
8.1.180.0000.00818.10
8.1.170.0030.00518.70
8.1.160.0000.00718.77
8.1.150.0060.00318.48
8.1.140.0000.00717.43
8.1.130.0030.00317.88
8.1.120.0040.00417.35
8.1.110.0040.00417.39
8.1.100.0040.00417.27
8.1.90.0000.00717.39
8.1.80.0040.00417.38
8.1.70.0000.00817.34
8.1.60.0000.00817.38
8.1.50.0050.00317.42
8.1.40.0070.00017.33
8.1.30.0040.00417.57
8.1.20.0040.00417.62
8.1.10.0000.00717.47
8.1.00.0040.00417.42
8.0.300.0040.00420.09
8.0.290.0000.00816.63
8.0.280.0030.00318.36
8.0.270.0040.00417.29
8.0.260.0030.00316.73
8.0.250.0000.00816.91
8.0.240.0040.00416.93
8.0.230.0070.00016.79
8.0.220.0000.00716.78
8.0.210.0050.00316.80
8.0.200.0030.00316.85
8.0.190.0040.00416.93
8.0.180.0040.00416.98
8.0.170.0000.00916.87
8.0.160.0080.00017.01
8.0.150.0000.00916.79
8.0.140.0030.00516.81
8.0.130.0030.00313.35
8.0.120.0040.00416.84
8.0.110.0050.00316.94
8.0.100.0000.00716.93
8.0.90.0000.00716.77
8.0.80.0150.00016.88
8.0.70.0070.00016.70
8.0.60.0040.00416.77
8.0.50.0030.00516.86
8.0.30.0180.01016.87
8.0.20.0140.01317.17
8.0.10.0030.00316.83
8.0.00.0130.00516.79
7.4.330.0000.00512.97
7.4.320.0030.00316.42
7.4.300.0070.00016.39
7.4.290.0030.00316.49
7.4.280.0060.00316.35
7.4.270.0000.00816.36
7.4.260.0000.00513.26
7.4.250.0090.00016.46
7.4.240.0030.00516.57
7.4.230.0000.00616.48
7.4.220.0090.01316.45
7.4.210.0080.00916.56
7.4.200.0030.00416.29
7.4.190.0030.00316.77
7.4.160.0090.00916.37
7.4.150.0090.00816.37
7.4.140.0070.01016.49
7.4.130.0080.00916.44
7.4.120.0140.00316.51
7.4.110.0070.01016.70
7.4.100.0110.00716.66
7.4.90.0070.01416.66
7.4.80.0080.01519.39
7.4.70.0160.00616.50
7.4.60.0100.00716.68
7.4.50.0070.00716.65
7.4.40.0060.00916.61
7.4.30.0100.00716.63
7.4.00.0040.01114.49
7.3.330.0030.00613.12
7.3.320.0030.00312.94
7.3.310.0060.00016.12
7.3.300.0030.00316.20
7.3.290.0090.00616.25
7.3.280.0080.00916.29
7.3.270.0120.01216.46
7.3.260.0080.00816.24
7.3.250.0120.01116.30
7.3.240.0140.00416.50
7.3.230.0110.00616.42
7.3.210.0070.01016.51
7.3.200.0100.01016.10
7.3.190.0060.01516.63
7.3.180.0140.00316.57
7.3.170.0090.00616.45
7.3.160.0040.01116.34
7.3.120.0030.01215.04
7.2.330.0360.01516.45
7.2.320.0140.00316.68
7.2.310.0110.01116.41
7.2.300.0140.00316.70
7.2.290.0120.00916.40
7.2.00.0060.00919.49
7.1.100.0000.01118.40
7.1.70.0000.00717.27
7.1.60.0110.01119.40
7.1.50.0090.01316.59
7.1.00.0000.08022.41
7.0.200.0030.00714.68
7.0.140.0130.06022.09
7.0.120.0030.07322.04
7.0.60.0070.08319.94
7.0.50.0100.05717.66
7.0.40.0070.08317.74
7.0.30.0030.05017.73
7.0.20.0030.07017.73
7.0.10.0170.06717.75
7.0.00.0070.08717.74
5.6.210.0100.07720.64
5.6.200.0100.09018.16
5.6.190.0100.07018.11
5.6.180.0100.08018.12
5.6.170.0000.07318.09
5.6.160.0100.07718.21
5.6.150.0100.07718.22
5.6.140.0100.05318.09
5.6.130.0170.06318.16
5.6.120.0130.05718.21
5.6.110.0030.05018.11
5.6.100.0030.04318.11
5.6.90.0070.08018.10
5.6.80.0030.04017.55
5.6.70.0030.04017.46
5.6.60.0000.04017.57
5.6.50.0000.04017.59
5.6.40.0030.04017.54
5.6.30.0000.04017.48
5.6.20.0030.03717.56
5.6.10.0000.04017.53
5.6.00.0000.04017.51
5.5.350.0300.07320.39
5.5.340.0100.08017.99
5.5.330.0030.08718.00
5.5.320.0130.07017.93
5.5.310.0070.08017.98
5.5.300.0100.06718.00
5.5.290.0100.07717.91
5.5.280.0030.08317.95
5.5.270.0130.05717.93
5.5.260.0000.05318.00
5.5.250.0100.03317.73
5.5.240.0030.04017.39
5.5.230.0070.03717.34
5.5.220.0000.04017.25
5.5.210.0070.03717.36
5.5.200.0030.03717.38
5.5.190.0030.04017.33
5.5.180.0000.04017.30
5.5.160.0070.04017.27
5.5.150.0070.03317.27
5.5.140.0030.03717.36
5.5.130.0070.04017.26
5.5.120.0070.03317.36
5.5.110.0000.04017.21
5.5.100.0000.04017.24
5.5.90.0100.03017.16
5.5.80.0100.03017.27
5.5.70.0030.03717.15
5.5.60.0100.04717.14
5.5.50.0100.03317.24
5.5.40.0070.03717.27
5.5.30.0000.04317.11
5.5.20.0030.03717.21
5.5.10.0030.03717.16
5.5.00.0000.04017.24
5.4.450.0130.07019.31
5.4.440.0070.07019.29
5.4.430.0000.05019.35
5.4.420.0130.03319.21
5.4.410.0070.06319.20
5.4.400.0030.03718.99
5.4.390.0030.04318.97
5.4.380.0000.04019.02
5.4.370.0030.03718.97
5.4.360.0030.03718.98
5.4.350.0000.04019.03
5.4.340.0030.03718.98
5.4.320.0000.04019.13
5.4.310.0000.04019.02
5.4.300.0070.03718.89
5.4.290.0030.03718.88
5.4.280.0000.04718.95
5.4.270.0030.03719.11
5.4.260.0070.03719.02
5.4.250.0030.03719.06
5.4.240.0030.03719.00
5.4.230.0070.03719.02
5.4.220.0030.03719.00
5.4.210.0000.04019.19
5.4.200.0030.03719.02
5.4.190.0100.03019.01
5.4.180.0030.03718.81
5.4.170.0030.04018.96
5.4.160.0070.05318.80
5.4.150.0100.07718.96
5.4.140.0100.07016.47
5.4.130.0070.07716.28
5.4.120.0100.05016.16
5.4.110.0070.07016.32
5.4.100.0100.07316.35
5.4.90.0130.05016.29
5.4.80.0030.03716.22
5.4.70.0100.07016.21
5.4.60.0070.07316.30
5.4.50.0030.07316.25
5.4.40.0030.03716.29
5.4.30.0070.04016.26
5.4.20.0100.04716.32
5.4.10.0100.07316.25
5.4.00.0100.07015.60
5.3.290.0000.04014.64
5.3.280.0030.03714.55
5.3.270.0000.04014.54
5.3.260.0030.05014.56
5.3.250.0070.07714.40
5.3.240.0000.08014.68
5.3.230.0000.06014.67
5.3.220.0030.05014.53
5.3.210.0070.07714.49
5.3.200.0070.07314.38
5.3.190.0030.04714.50
5.3.180.0070.04314.57
5.3.170.0030.07714.50
5.3.160.0100.05714.51
5.3.150.0100.04714.49
5.3.140.0030.07714.49
5.3.130.0030.08014.37
5.3.120.0070.08014.48
5.3.110.0030.08014.38
5.3.100.0030.07314.02
5.3.90.0100.06014.09
5.3.80.0100.07313.93
5.3.70.0030.07713.94
5.3.60.0100.07013.75
5.3.50.0100.06014.02
5.3.40.0070.06013.91
5.3.30.0170.05013.82
5.3.20.0130.06713.47
5.3.10.0130.04313.41
5.3.00.0170.05313.40
5.2.170.0030.06711.08
5.2.160.0030.06711.17
5.2.150.0030.06311.11
5.2.140.0030.06311.06
5.2.130.0070.03011.00
5.2.120.0000.05011.07
5.2.110.0170.05011.09
5.2.100.0100.05011.09
5.2.90.0130.05011.08
5.2.80.0000.06311.04
5.2.70.0070.04711.04
5.2.60.0070.05011.02
5.2.50.0070.05711.00
5.2.40.0100.05310.93
5.2.30.0100.06010.94
5.2.20.0070.05710.92
5.2.10.0030.06010.83
5.2.00.0070.05710.92
5.1.60.0100.0309.90
5.1.50.0070.0509.96
5.1.40.0100.04710.17
5.1.30.0100.05310.33
5.1.20.0070.05010.55
5.1.10.0070.04710.05
5.1.00.0030.04310.11
5.0.50.0070.0478.59
5.0.40.0100.0278.44
5.0.30.0030.0338.31
5.0.20.0000.0278.04
5.0.10.0000.0478.14
5.0.00.0070.0578.14
4.4.90.0000.0378.04
4.4.80.0000.0408.04
4.4.70.0070.0378.04
4.4.60.0000.0378.04
4.4.50.0000.0278.04
4.4.40.0030.0338.04
4.4.30.0000.0308.04
4.4.20.0070.0278.04
4.4.10.0000.0208.04
4.4.00.0000.0478.04
4.3.110.0000.0238.04
4.3.100.0000.0378.04
4.3.90.0030.0278.04
4.3.80.0000.0508.04
4.3.70.0000.0308.04
4.3.60.0000.0208.04
4.3.50.0000.0378.04
4.3.40.0070.0478.04
4.3.30.0030.0338.04
4.3.20.0000.0408.04
4.3.10.0030.0378.04
4.3.00.0030.0338.04

preferences:
45.02 ms | 400 KiB | 5 Q