3v4l.org

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

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)
8.3.60.0090.00616.75
8.3.50.0120.00717.52
8.3.40.0120.00318.67
8.3.30.0040.01118.71
8.3.20.0080.00018.68
8.3.10.0040.00420.28
8.3.00.0040.01119.25
8.2.180.0210.00016.50
8.2.170.0150.00322.96
8.2.160.0070.00722.13
8.2.150.0040.00424.18
8.2.140.0050.00524.66
8.2.130.0040.00426.16
8.2.120.0040.00419.83
8.2.110.0030.00721.07
8.2.100.0110.00017.78
8.2.90.0030.00519.17
8.2.80.0060.00317.80
8.2.70.0030.00617.50
8.2.60.0000.00817.88
8.2.50.0030.00518.07
8.2.40.0000.00819.88
8.2.30.0090.00018.00
8.2.20.0080.00017.47
8.2.10.0060.00317.54
8.2.00.0000.00917.55
8.1.280.0160.00825.92
8.1.270.0050.00224.66
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0040.00420.74
8.1.230.0060.00620.80
8.1.220.0000.00817.74
8.1.210.0000.00818.91
8.1.200.0030.00617.36
8.1.190.0080.00017.40
8.1.180.0000.00818.10
8.1.170.0070.00018.84
8.1.160.0000.00718.82
8.1.150.0000.00718.56
8.1.140.0050.00217.41
8.1.130.0000.00717.82
8.1.120.0000.00817.40
8.1.110.0040.00417.37
8.1.100.0040.00417.41
8.1.90.0000.00817.39
8.1.80.0050.00217.44
8.1.70.0030.00317.31
8.1.60.0000.00817.59
8.1.50.0000.00817.30
8.1.40.0030.00617.42
8.1.30.0000.00817.55
8.1.20.0090.00017.44
8.1.10.0040.00417.53
8.1.00.0000.01017.41
8.0.300.0000.00719.82
8.0.290.0040.00416.63
8.0.280.0000.00718.34
8.0.270.0030.00317.19
8.0.260.0000.00616.76
8.0.250.0000.00716.94
8.0.240.0000.01016.90
8.0.230.0030.00316.88
8.0.220.0000.00716.83
8.0.210.0000.00716.80
8.0.200.0020.00516.96
8.0.190.0070.00316.90
8.0.180.0040.00416.78
8.0.170.0090.00016.86
8.0.160.0040.00416.92
8.0.150.0060.00316.76
8.0.140.0070.00416.68
8.0.130.0030.00313.34
8.0.120.0000.00716.68
8.0.110.0080.00016.61
8.0.100.0020.00516.71
8.0.90.0000.00716.77
8.0.80.0070.00716.83
8.0.70.0000.00716.79
8.0.60.0050.00316.84
8.0.50.0040.00416.81
8.0.30.0090.01217.11
8.0.20.0110.00717.07
8.0.10.0000.00716.93
8.0.00.0140.02016.73
7.4.330.0000.00512.93
7.4.320.0000.00716.58
7.4.300.0000.00616.65
7.4.290.0030.00316.51
7.4.280.0050.00516.56
7.4.270.0070.00016.54
7.4.260.0000.00513.21
7.4.250.0030.00616.34
7.4.240.0000.00816.41
7.4.230.0000.00716.34
7.4.220.0160.00316.54
7.4.210.0090.00616.54
7.4.200.0040.00416.41
7.4.190.0000.00716.59
7.4.160.0090.00616.53
7.4.150.0140.00316.48
7.4.140.0120.00616.40
7.4.130.0100.00916.43
7.4.120.0120.00516.40
7.4.110.0120.00616.30
7.4.100.0080.00816.55
7.4.90.0070.01016.58
7.4.80.0000.01716.62
7.4.70.0130.00316.31
7.4.60.0120.00616.58
7.4.50.0030.00316.48
7.4.40.0100.00716.57
7.4.30.0130.00316.56
7.4.10.0060.01114.88
7.4.00.0080.00814.89
7.3.330.0060.00012.98
7.3.320.0000.00612.90
7.3.310.0040.00416.20
7.3.300.0070.00016.18
7.3.290.0130.00616.13
7.3.280.0050.01016.15
7.3.270.0080.00816.39
7.3.260.0080.00916.09
7.3.250.0100.01016.34
7.3.240.0150.00416.23
7.3.230.0180.00416.20
7.3.210.0100.00716.11
7.3.200.0070.01319.39
7.3.190.0210.00016.18
7.3.180.0100.00716.16
7.3.170.0040.01116.45
7.3.160.0100.00616.38
7.3.130.0070.01014.78
7.3.120.0030.01114.85
7.3.110.0050.01214.68
7.3.100.0070.00914.70
7.3.90.0100.00514.89
7.3.80.0030.00914.97
7.3.70.0060.00514.70
7.3.60.0070.00414.81
7.3.50.0030.00914.76
7.3.40.0020.01314.79
7.3.30.0060.00614.60
7.3.20.0090.00016.62
7.3.10.0060.00616.68
7.3.00.0080.00516.60
7.2.330.0060.01216.47
7.2.320.0040.01416.42
7.2.310.0100.01316.64
7.2.300.0060.01616.57
7.2.290.0100.01016.55
7.2.260.0140.00515.16
7.2.250.0020.01615.13
7.2.240.0050.01014.80
7.2.230.0070.00915.07
7.2.220.0090.00614.99
7.2.210.0030.01214.84
7.2.200.0010.01015.00
7.2.190.0050.00614.90
7.2.180.0100.00715.01
7.2.170.0080.00614.76
7.2.160.0030.01114.93
7.2.150.0030.00716.98
7.2.140.0030.00816.64
7.2.130.0010.01116.81
7.2.120.0080.00716.91
7.2.110.0090.00716.90
7.2.100.0060.00916.67
7.2.90.0020.01116.82
7.2.80.0080.00316.93
7.2.70.0070.00716.85
7.2.60.0040.00816.70
7.2.50.0050.00816.63
7.2.40.0070.00916.86
7.2.30.0080.00516.93
7.2.20.0040.00916.90
7.2.10.0080.00616.84
7.2.00.0040.00917.38
7.1.330.0040.00915.77
7.1.320.0090.00715.53
7.1.310.0080.00615.70
7.1.300.0050.00715.59
7.1.290.0080.00515.66
7.1.280.0050.00615.54
7.1.270.0090.00315.79
7.1.260.0030.01115.86
7.1.250.0080.00415.63
7.1.240.0030.00815.52
7.1.230.0020.01015.67
7.1.220.0050.00815.50
7.1.210.0070.00715.59
7.1.200.0040.00815.70
7.1.190.0070.00515.55
7.1.180.0050.00515.56
7.1.170.0010.01015.62
7.1.160.0030.00815.79
7.1.150.0110.00115.74
7.1.140.0050.00915.67
7.1.130.0030.00715.66
7.1.120.0080.00615.72
7.1.110.0030.00815.65
7.1.100.0040.00916.04
7.1.90.0060.00715.76
7.1.80.0030.00815.72
7.1.70.0060.00615.94
7.1.60.0060.01216.57
7.1.50.0030.01116.01
7.1.40.0030.00815.52
7.1.30.0100.00415.58
7.1.20.0050.00815.63
7.1.10.0070.00915.62
7.1.00.0040.02217.30
7.0.330.0060.00615.22
7.0.320.0050.00615.11
7.0.310.0030.00815.26
7.0.300.0090.00515.28
7.0.290.0040.00715.21
7.0.280.0050.00515.31
7.0.270.0070.00415.33
7.0.260.0050.00715.20
7.0.250.0070.00615.27
7.0.240.0040.00515.26
7.0.230.0030.00615.24
7.0.220.0020.01015.21
7.0.210.0030.01115.33
7.0.200.0030.00615.57
7.0.190.0060.00615.18
7.0.180.0080.00715.26
7.0.170.0040.00915.25
7.0.160.0040.00915.08
7.0.150.0020.00815.29
7.0.140.0040.02416.96
7.0.130.0050.00715.37
7.0.120.0070.02116.95
7.0.110.0010.01215.11
7.0.100.0010.01215.28
7.0.90.0040.00915.27
7.0.80.0030.01115.22
7.0.70.0030.00915.10
7.0.60.0130.01816.46
7.0.50.0060.02816.00
7.0.40.0060.01515.04
7.0.30.0070.01615.00
7.0.20.0050.01515.01
7.0.10.0030.01715.04
7.0.00.0080.01314.98
5.6.400.0080.00614.30
5.6.390.0060.00914.46
5.6.380.0040.00814.24
5.6.370.0020.01114.16
5.6.360.0050.00714.20
5.6.350.0030.00714.29
5.6.340.0010.01114.27
5.6.330.0050.00714.45
5.6.320.0040.00814.08
5.6.310.0100.00314.24
5.6.300.0050.00714.30
5.6.290.0070.00714.36
5.6.280.0060.02316.06
5.6.270.0060.00714.13
5.6.260.0070.00414.15
5.6.250.0040.00714.17
5.6.240.0090.00614.30
5.6.230.0050.00614.09
5.6.220.0070.00714.03
5.6.210.0040.02715.74
5.6.200.0070.02615.23
5.6.190.0040.02115.80
5.6.180.0040.01715.70
5.6.170.0060.01615.75
5.6.160.0090.01215.61
5.6.150.0070.01415.69
5.6.140.0060.01515.65
5.6.130.0010.01815.62
5.6.120.0070.01515.68
5.6.110.0060.01615.69
5.6.100.0060.02415.68
5.6.90.0060.02615.65
5.6.80.0040.01915.54
5.6.70.0030.02515.42
5.6.60.0060.02515.55
5.6.50.0060.02715.51
5.6.40.0060.01915.38
5.6.30.0050.02315.66
5.6.20.0080.02015.42
5.6.10.0070.02515.43
5.6.00.0070.02415.50
5.5.380.0030.00613.06
5.5.370.0060.00413.04
5.5.360.0040.00713.11
5.5.350.0780.01514.71
5.5.340.0070.02314.24
5.5.330.0030.01714.94
5.5.320.0040.01414.82
5.5.310.0050.01514.88
5.5.300.0040.01914.88
5.5.290.0030.01714.75
5.5.280.0050.01714.85
5.5.270.0030.03114.80
5.5.260.0040.01814.89
5.5.250.0070.02214.75
5.5.240.0080.01414.66
5.5.230.0030.01614.63
5.5.220.0060.01614.68
5.5.210.0040.02714.69
5.5.200.0070.02514.56
5.5.190.0060.01614.72
5.5.180.0050.01514.65
5.5.170.0010.01113.08
5.5.160.0070.01614.54
5.5.150.0040.02114.75
5.5.140.0050.02214.53
5.5.130.0030.02614.75
5.5.120.0080.01914.71
5.5.110.0070.01214.69
5.5.100.0100.01614.48
5.5.90.0060.01714.61
5.5.80.0050.02614.67
5.5.70.0050.02414.69
5.5.60.0060.01414.58
5.5.50.0060.01514.64
5.5.40.0060.02414.55
5.5.30.0070.02014.66
5.5.20.0060.02214.64
5.5.10.0040.02314.77
5.5.00.0060.01514.63
5.4.450.0020.02013.40
5.4.440.0050.01313.58
5.4.430.0050.01213.57
5.4.420.0020.01913.57
5.4.410.0040.01713.42
5.4.400.0070.01913.49
5.4.390.0040.02413.46
5.4.380.0030.01413.40
5.4.370.0020.01913.30
5.4.360.0040.02513.43
5.4.350.0040.01613.47
5.4.340.0060.01313.45
5.4.330.0070.00511.60
5.4.320.0090.01513.38
5.4.310.0050.01813.41
5.4.300.0030.02013.46
5.4.290.0020.02513.38
5.4.280.0090.01813.39
5.4.270.0020.01813.37
5.4.260.0040.02513.41
5.4.250.0020.02513.42
5.4.240.0050.02213.31
5.4.230.0070.01713.41
5.4.220.0070.02013.38
5.4.210.0030.01713.44
5.4.200.0060.01213.45
5.4.190.0040.02313.34
5.4.180.0060.02313.47
5.4.170.0060.01513.36
5.4.160.0080.02113.35
5.4.150.0050.02113.54
5.4.140.0070.02112.75
5.4.130.0030.01712.81
5.4.120.0080.02012.69
5.4.110.0070.02112.78
5.4.100.0070.02212.83
5.4.90.0060.01212.77
5.4.80.0030.01512.75
5.4.70.0020.01612.79
5.4.60.0030.01512.75
5.4.50.0040.01612.70
5.4.40.0040.01612.75
5.4.30.0060.01612.75
5.4.20.0060.01312.78
5.4.10.0050.01512.71
5.4.00.0060.01412.56
5.3.290.0060.01312.23
5.3.280.0060.02112.18
5.3.270.0060.02112.22
5.3.260.0010.01612.17
5.3.250.0050.02512.25
5.3.240.0030.02412.15
5.3.230.0030.01712.20
5.3.220.0040.01512.17
5.3.210.0060.02212.16
5.3.200.0050.02212.21
5.3.190.0050.01312.17
5.3.180.0040.01412.16
5.3.170.0060.01812.19
5.3.160.0080.01612.17
5.3.150.0040.01912.22
5.3.140.0050.01912.13
5.3.130.0010.02212.20
5.3.120.0040.02212.11
5.3.110.0040.01712.20
5.3.100.0050.02312.09
5.3.90.0040.02012.08
5.3.80.0040.01912.04
5.3.70.0060.01411.99
5.3.60.0060.01212.07
5.3.50.0060.02312.07
5.3.40.0030.02212.07
5.3.30.0030.02312.04
5.3.20.0040.01512.00
5.3.10.0050.02211.91
5.3.00.0040.01311.90
5.2.170.0030.03410.98
5.2.160.0070.02810.99
5.2.150.0030.03511.03
5.2.140.0010.01811.04
5.2.130.0050.03211.02
5.2.120.0030.02011.05
5.2.110.0080.02511.02
5.2.100.0090.01510.97
5.2.90.0060.01811.05
5.2.80.0030.02111.03
5.2.70.0030.03211.04
5.2.60.0050.03010.96
5.2.50.0000.03610.92
5.2.40.0060.02011.04
5.2.30.0070.03110.91
5.2.20.0050.03310.93
5.2.10.0020.03710.92
5.2.00.0070.01810.87
5.1.60.0050.02910.49
5.1.50.0000.02610.53
5.1.40.0020.03010.51
5.1.30.0080.02110.71
5.1.20.0070.01510.67
5.1.10.0050.02810.52
5.1.00.0030.02210.53
5.0.50.0030.0199.75
5.0.40.0030.0179.73
5.0.30.0020.0359.63
5.0.20.0030.0239.55
5.0.10.0030.0139.61
5.0.00.0000.0209.60
4.4.90.0040.0188.72
4.4.80.0030.0168.72
4.4.70.0060.0168.72
4.4.60.0030.0168.72
4.4.50.0050.0178.72
4.4.40.0050.0258.72
4.4.30.0030.0178.72
4.4.20.0030.0188.72
4.4.10.0020.0128.72
4.4.00.0020.0138.72
4.3.110.0000.0138.72
4.3.100.0020.0108.72
4.3.90.0000.0218.72
4.3.80.0020.0178.72
4.3.70.0030.0138.72
4.3.60.0030.0208.72
4.3.50.0000.0208.72
4.3.40.0020.0278.72
4.3.30.0010.0168.72
4.3.20.0010.0108.72
4.3.10.0040.0168.72
4.3.00.0000.0128.72

preferences:
44.8 ms | 401 KiB | 5 Q