3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = json_decode('{"a": {"b": [], "c": {}}}'); var_dump(isset($data->a->c));

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)
8.3.60.0120.00616.63
8.3.50.0130.00316.56
8.3.40.0030.01018.67
8.3.30.0110.00418.54
8.3.20.0030.00518.74
8.3.10.0050.00320.53
8.3.00.0080.00017.38
8.2.180.0080.01216.38
8.2.170.0030.01022.96
8.2.160.0030.01720.47
8.2.150.0000.00824.18
8.2.140.0030.00624.66
8.2.130.0040.00426.16
8.2.120.0050.00219.66
8.2.110.0060.00320.27
8.2.100.0060.00617.79
8.2.90.0050.00317.94
8.2.80.0080.00017.97
8.2.70.0080.00017.50
8.2.60.0050.00317.80
8.2.50.0050.00318.07
8.2.40.0000.00718.03
8.2.30.0000.00817.94
8.2.20.0000.00817.61
8.2.10.0030.00617.67
8.2.00.0040.00417.52
8.1.280.0140.00725.92
8.1.270.0000.00824.66
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0030.00622.14
8.1.230.0060.00620.88
8.1.220.0030.00517.74
8.1.210.0040.00418.79
8.1.200.0060.00317.22
8.1.190.0020.00517.41
8.1.180.0050.00318.10
8.1.170.0030.00518.71
8.1.160.0000.00718.69
8.1.150.0050.00218.43
8.1.140.0040.00417.43
8.1.130.0070.00017.76
8.1.120.0040.00417.39
8.1.110.0040.00417.30
8.1.100.0040.00417.28
8.1.90.0040.00417.27
8.1.80.0020.00517.41
8.1.70.0000.00717.38
8.1.60.0070.00017.44
8.1.50.0040.00417.46
8.1.40.0000.00817.43
8.1.30.0020.00517.54
8.1.20.0080.00017.48
8.1.10.0000.00917.49
8.1.00.0070.00017.44
8.0.300.0040.00420.16
8.0.290.0050.00316.75
8.0.280.0000.00718.25
8.0.270.0000.00717.14
8.0.260.0000.00616.75
8.0.250.0040.00416.82
8.0.240.0000.00916.80
8.0.230.0060.00016.85
8.0.220.0000.00816.68
8.0.210.0000.00816.84
8.0.200.0030.00616.89
8.0.190.0040.00416.89
8.0.180.0000.00716.91
8.0.170.0030.00616.86
8.0.160.0040.00316.81
8.0.150.0060.00316.74
8.0.140.0070.00316.84
8.0.130.0000.00513.19
8.0.120.0000.00716.70
8.0.110.0000.01016.78
8.0.100.0040.00416.86
8.0.90.0040.00416.72
8.0.80.0060.00916.89
8.0.70.0000.00716.73
8.0.60.0030.00416.79
8.0.50.0050.00316.85
8.0.30.0110.00817.03
8.0.20.0050.01316.92
8.0.10.0000.00716.80
8.0.00.0080.01516.61
7.4.330.0050.00012.96
7.4.320.0000.00616.62
7.4.300.0000.00616.55
7.4.290.0040.00416.52
7.4.280.0030.00616.55
7.4.270.0000.00716.45
7.4.260.0000.00513.30
7.4.250.0000.00816.47
7.4.240.0040.00416.65
7.4.230.0060.00016.38
7.4.220.0060.01216.45
7.4.210.0090.00916.54
7.4.200.0030.00316.41
7.4.190.0030.00316.69
7.4.160.0110.00616.36
7.4.150.0100.00716.34
7.4.140.0120.00716.37
7.4.130.0150.00716.44
7.4.120.0130.00516.37
7.4.110.0090.00616.36
7.4.100.0080.00816.48
7.4.90.0090.00916.35
7.4.80.0100.01016.54
7.4.70.0130.00416.17
7.4.60.0050.01116.40
7.4.50.0000.00816.30
7.4.40.0070.00716.25
7.4.30.0180.00016.43
7.4.00.0060.00914.93
7.3.330.0030.00313.13
7.3.320.0060.00013.07
7.3.310.0040.00416.09
7.3.300.0060.00015.97
7.3.290.0030.01016.14
7.3.280.0050.01116.12
7.3.270.0100.00716.31
7.3.260.0090.00816.28
7.3.250.0100.00716.43
7.3.240.0130.00316.51
7.3.230.0000.01716.21
7.3.210.0130.00416.38
7.3.200.0100.00719.39
7.3.190.0100.01116.20
7.3.180.0070.01016.48
7.3.170.0100.00716.26
7.3.160.0060.01016.36
7.3.120.0060.00914.84
7.2.330.0100.00716.59
7.2.320.0100.00616.32
7.2.310.0140.00616.67
7.2.300.0090.00916.50
7.2.290.0130.00916.38
7.2.00.0070.01019.23
7.1.100.0030.01017.88
7.1.70.0030.00917.06
7.1.60.0140.01019.40
7.1.50.0070.01416.92
7.1.00.0000.07022.51
7.0.200.0240.00314.58
7.0.140.0100.07022.11
7.0.120.0070.06322.08
7.0.60.0070.08319.93
7.0.50.0100.07717.80
7.0.40.0200.07020.20
7.0.30.0230.07720.16
7.0.20.0270.04720.30
7.0.10.0100.08720.02
7.0.00.0100.06720.01
5.6.280.0170.06320.90
5.6.210.0070.08020.47
5.6.200.0100.05718.20
5.6.190.0130.03020.39
5.6.180.0300.07720.61
5.6.170.0200.05020.48
5.6.160.0070.08320.48
5.6.150.0070.03718.16
5.6.140.0100.03718.14
5.6.130.0030.04018.07
5.6.120.0030.04321.01
5.6.110.0030.04321.09
5.6.100.0030.07321.10
5.6.90.0070.07020.96
5.6.80.0130.07320.34
5.5.350.4130.04720.34
5.5.340.0070.06717.92
5.5.330.0070.04720.23
5.5.320.0030.08720.22
5.5.310.0370.07320.17
5.5.300.0100.07717.88
5.5.290.0100.05318.02
5.5.280.0130.06320.88
5.5.270.0070.09020.67
5.5.260.0130.06720.86
5.5.250.0000.04720.64
5.5.240.0330.04320.26
5.4.450.0030.07019.39
5.4.440.0030.04719.10
5.4.430.0130.03019.53
5.4.420.0070.07319.48
5.4.410.0000.04019.29
5.4.400.0030.06719.09
5.4.390.0030.06719.08
5.4.380.0000.08019.09
5.4.370.0030.06319.09
5.4.360.0030.05719.21
5.4.350.0000.06319.08
5.4.340.0030.05319.08
5.4.320.0000.08018.93
5.4.310.0000.04719.10
5.4.300.0070.04319.24
5.4.290.0070.03719.12
5.4.280.0070.06319.08
5.4.270.0100.04018.93
5.4.260.0000.04319.12
5.4.250.0000.05318.91
5.4.240.0000.04719.07
5.4.230.0070.07319.06
5.4.220.0030.04018.88
5.4.210.0070.06719.07
5.4.200.0030.05719.08
5.4.190.0100.03019.07
5.4.180.0100.03319.09
5.4.170.0100.07018.77
5.4.160.0070.04319.21
5.4.150.0030.07019.16
5.4.140.0130.03716.17
5.4.130.0000.04316.33
5.4.120.0030.07016.43
5.4.110.0000.04016.07
5.4.100.0070.06316.39
5.4.90.0030.05716.23
5.4.80.0070.07016.48
5.4.70.0000.06316.37
5.4.60.0030.05716.37
5.4.50.0030.04716.36
5.4.40.0000.05316.43
5.4.30.0070.06716.16
5.4.20.0030.05316.36
5.4.10.0030.07316.04
5.4.00.0030.05015.99
5.3.290.0070.05014.62
5.3.280.0000.03714.50
5.3.270.0000.04014.70
5.3.260.0000.04014.44
5.3.250.0100.03014.59
5.3.240.0000.03714.45
5.3.230.0030.06714.50
5.3.220.0070.05014.52
5.3.210.0000.04314.39
5.3.200.0000.03714.41
5.3.190.0030.03314.51
5.3.180.0070.03014.39
5.3.170.0070.03314.51
5.3.160.0000.04714.55
5.3.150.0070.03314.39
5.3.140.0000.03714.57
5.3.130.0030.04314.38
5.3.120.0030.03314.64
5.3.110.0070.03314.53
5.3.100.0000.03713.98
5.3.90.0000.04013.96
5.3.80.0070.03013.95
5.3.70.0030.03314.07
5.3.60.0000.03713.86
5.3.50.0030.03313.96
5.3.40.0000.03713.86
5.3.30.0030.03313.95
5.3.20.0000.03313.86
5.3.10.0030.03013.86
5.3.00.0030.03313.86
5.2.170.0030.02713.86
5.2.160.0030.02713.86
5.2.150.0030.02713.86
5.2.140.0030.03313.86
5.2.130.0030.02313.86
5.2.120.0000.03013.86
5.2.110.0000.03013.86
5.2.100.0000.04013.86
5.2.90.0000.03013.86
5.2.80.0000.02713.86
5.2.70.0070.02313.86
5.2.60.0030.03013.86
5.2.50.0030.02713.86
5.2.40.0000.02713.86
5.2.30.0000.03313.86
5.2.20.0030.02713.86
5.2.10.0000.02713.86
5.2.00.0000.02713.86
5.1.60.0000.02313.86
5.1.50.0000.02313.86
5.1.40.0000.02313.86
5.1.30.0030.02313.86
5.1.20.0030.02313.86
5.1.10.0000.03013.86
5.1.00.0000.02313.86
5.0.50.0000.02313.86
5.0.40.0000.02013.86
5.0.30.0030.02713.86
5.0.20.0030.01713.86
5.0.10.0070.02013.86
5.0.00.0030.03713.86
4.4.90.0070.01013.86
4.4.80.0000.01313.86
4.4.70.0000.01313.86
4.4.60.0000.01313.86
4.4.50.0000.01313.86
4.4.40.0030.02013.86
4.4.30.0000.01313.86
4.4.20.0000.01313.86
4.4.10.0030.01313.86
4.4.00.0000.02313.86
4.3.110.0030.01313.86
4.3.100.0000.01313.86
4.3.90.0000.01313.86
4.3.80.0000.02313.86
4.3.70.0000.01313.86
4.3.60.0000.01713.86
4.3.50.0000.01313.86
4.3.40.0000.02313.86
4.3.30.0000.01313.86
4.3.20.0030.01313.86
4.3.10.0030.01013.86
4.3.00.0000.01313.86

preferences:
43.17 ms | 400 KiB | 5 Q