3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data=array('data'=>array('something')); echo "Good\n"; var_dump(isset($data['data'][0])); var_dump($data['data'][0]); echo "Bad\n"; var_dump(isset($data['data'][0]['data'])); var_dump($data['data'][0]['data']); echo "Ugly\n"; var_dump(isset($data['data'][0]['data'][0])); var_dump($data['data'][0]['data'][0]);

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)
8.3.70.0000.01518.56
8.3.60.0150.00618.31
8.3.50.0130.00921.14
8.3.40.0130.01018.93
8.3.30.0090.00622.14
8.3.20.0050.00320.30
8.3.10.0090.00921.92
8.3.00.0100.01022.43
8.2.180.0060.00916.63
8.2.170.0150.00322.96
8.2.160.0100.00322.26
8.2.150.0030.00624.18
8.2.140.0080.00024.66
8.2.130.0120.00626.16
8.2.120.0090.00020.73
8.2.110.0040.00419.25
8.2.100.0000.01218.09
8.2.90.0040.00419.35
8.2.80.0000.00819.42
8.2.70.0060.00617.75
8.2.60.0080.00018.16
8.2.50.0050.00319.35
8.2.40.0000.00918.21
8.2.30.0070.00019.45
8.2.20.0040.00417.63
8.2.10.0070.00017.69
8.2.00.0050.00317.64
8.1.280.0160.00325.92
8.1.270.0160.00323.99
8.1.260.0000.00826.35
8.1.250.0060.00928.09
8.1.240.0030.00622.63
8.1.230.0040.00820.90
8.1.220.0080.00018.77
8.1.210.0040.00419.12
8.1.200.0030.00617.11
8.1.190.0050.00517.55
8.1.180.0050.00318.10
8.1.170.0040.00418.45
8.1.160.0090.00018.86
8.1.150.0000.00818.65
8.1.140.0000.00817.43
8.1.130.0000.00717.86
8.1.120.0000.00817.40
8.1.110.0000.00717.28
8.1.100.0000.00717.29
8.1.90.0040.00417.41
8.1.80.0040.00417.41
8.1.70.0050.00317.31
8.1.60.0030.00617.52
8.1.50.0000.00817.48
8.1.40.0050.00317.50
8.1.30.0040.00417.55
8.1.20.0060.00317.57
8.1.10.0060.00317.47
8.1.00.0030.00517.58
8.0.300.0030.00619.85
8.0.290.0070.00017.18
8.0.280.0000.00718.48
8.0.270.0070.00017.25
8.0.260.0030.00316.87
8.0.250.0030.00316.92
8.0.240.0080.00016.88
8.0.230.0040.00416.87
8.0.220.0000.00716.81
8.0.210.0100.00016.91
8.0.200.0000.00616.95
8.0.190.0060.00317.02
8.0.180.0050.00216.87
8.0.170.0000.00816.95
8.0.160.0040.00416.90
8.0.150.0000.00716.92
8.0.140.0080.00316.96
8.0.130.0000.00613.33
8.0.120.0040.00416.94
8.0.110.0040.00416.95
8.0.100.0050.00216.79
8.0.90.0050.00317.03
8.0.80.0060.00916.82
8.0.70.0040.00416.87
8.0.60.0030.00616.95
8.0.50.0040.00416.82
8.0.30.0080.01317.21
8.0.20.0140.00817.40
8.0.10.0050.00317.07
8.0.00.0080.01016.79
7.4.330.0000.00515.00
7.4.320.0050.00216.43
7.4.300.0060.00016.57
7.4.290.0000.00716.45
7.4.280.0030.00316.55
7.4.270.0000.00716.57
7.4.260.0030.00313.13
7.4.250.0070.00016.43
7.4.240.0020.00516.53
7.4.230.0030.00316.59
7.4.220.0090.01516.50
7.4.210.0080.00816.52
7.4.200.0040.00416.66
7.4.190.0000.00816.65
7.4.160.0040.01216.49
7.4.150.0120.00617.40
7.4.140.0100.01017.86
7.4.130.0100.00916.60
7.4.120.0110.00616.46
7.4.110.0140.00316.66
7.4.100.0120.00916.53
7.4.90.0120.00616.54
7.4.80.0090.00619.39
7.4.70.0130.00316.73
7.4.60.0080.00816.51
7.4.50.0000.00816.43
7.4.40.0070.00722.77
7.4.30.0060.00916.57
7.4.00.0070.00314.95
7.3.330.0050.00013.18
7.3.320.0000.00613.24
7.3.310.0030.00616.21
7.3.300.0070.00016.18
7.3.290.0040.01116.51
7.3.280.0110.00716.38
7.3.270.0180.00017.40
7.3.260.0040.01316.45
7.3.250.0120.00616.42
7.3.240.0170.00716.60
7.3.230.0080.00816.39
7.3.210.0120.00616.45
7.3.200.0000.01719.39
7.3.190.0060.01016.38
7.3.180.0060.01016.38
7.3.170.0190.00316.30
7.3.160.0130.01016.33
7.3.120.0040.01214.47
7.3.10.0030.01316.51
7.3.00.0070.01016.29
7.2.330.0120.00616.70
7.2.320.0140.00316.30
7.2.310.0090.00616.18
7.2.300.0100.00716.35
7.2.290.0080.00816.62
7.2.130.0070.01016.64
7.2.120.0110.00416.52
7.2.110.0070.00716.74
7.2.100.0140.00416.88
7.2.90.0030.01016.88
7.2.80.0040.01116.67
7.2.70.0120.00316.94
7.2.60.0080.00816.82
7.2.50.0100.00716.73
7.2.40.0000.01016.98
7.2.30.0070.00716.55
7.2.20.0030.01016.97
7.2.10.0030.00916.68
7.2.00.0080.00517.98
7.1.250.0030.01015.47
7.1.240.0040.00415.50
7.1.230.0060.00315.65
7.1.220.0100.00315.49
7.1.210.0060.00615.77
7.1.200.0110.00915.83
7.1.190.0110.00015.93
7.1.180.0030.01015.91
7.1.170.0030.01415.75
7.1.160.0110.00015.48
7.1.150.0070.00315.77
7.1.140.0080.00415.41
7.1.130.0000.01015.75
7.1.120.0040.00415.52
7.1.110.0030.01415.63
7.1.100.0090.00316.91
7.1.90.0150.00015.82
7.1.80.0030.01315.54
7.1.70.0110.00516.36
7.1.60.0080.00817.56
7.1.50.0080.00916.42
7.1.40.0060.00615.79
7.1.30.0060.01015.63
7.1.20.0060.00615.59
7.1.10.0030.01015.68
7.1.00.0070.03818.99
7.0.330.0030.00915.25
7.0.320.0080.00014.96
7.0.310.0060.00715.28
7.0.300.0140.00315.08
7.0.290.0110.00315.07
7.0.280.0110.00415.28
7.0.270.0070.00715.03
7.0.260.0080.00415.23
7.0.250.0060.00615.32
7.0.240.0040.01115.46
7.0.230.0070.00715.23
7.0.220.0060.00614.98
7.0.210.0080.00415.16
7.0.200.0030.00815.99
7.0.190.0000.00915.13
7.0.180.0100.00315.40
7.0.170.0030.01015.18
7.0.160.0080.00415.38
7.0.150.0040.00415.26
7.0.140.0050.03718.57
7.0.130.0060.00915.35
7.0.120.0030.00915.42
7.0.110.0100.01015.40
7.0.100.0070.00415.02
7.0.90.0080.00515.50
7.0.80.0270.02017.65
7.0.70.0320.04717.66
7.0.60.0170.04418.39
7.0.50.0170.04317.85
7.0.40.0060.04016.77
7.0.30.0060.04316.71
7.0.20.0050.04216.75
7.0.10.0060.04316.79
7.0.00.0110.02316.66
5.6.380.0030.00614.21
5.6.370.0060.00614.57
5.6.360.0140.00314.28
5.6.350.0160.00014.27
5.6.340.0030.01014.53
5.6.330.0110.00314.20
5.6.320.0070.01014.43
5.6.310.0030.01314.39
5.6.300.0070.00714.63
5.6.290.0090.00014.37
5.6.280.0030.04017.58
5.6.270.0000.01314.14
5.6.260.0120.00314.38
5.6.250.0070.00714.41
5.6.240.0090.00614.11
5.6.230.0050.04717.43
5.6.220.0130.02517.51
5.6.210.0030.04717.63
5.6.200.0090.02517.63
5.6.190.0030.04417.68
5.6.180.0050.02517.62
5.6.170.0050.02517.66
5.6.160.0060.04517.60
5.6.150.0080.02817.55
5.6.140.0050.04717.73
5.6.130.0050.02717.58
5.6.120.0050.03917.66
5.6.110.0080.03817.50
5.6.100.0110.04317.67
5.6.90.0030.03317.69
5.6.80.0030.04317.34
5.6.70.0050.04117.27
5.6.60.0050.03417.34
5.6.50.0100.03717.22
5.6.40.0050.02517.24
5.6.30.0020.02717.26
5.6.20.0080.03617.36
5.6.10.0070.04017.31
5.6.00.0070.03817.30
5.5.380.0120.00011.13
5.5.370.0100.02815.86
5.5.360.0030.02515.81
5.5.350.0080.02015.73
5.5.340.0050.02515.94
5.5.330.0110.03715.88
5.5.320.0080.02815.88
5.5.310.0040.02415.82
5.5.300.0030.02315.95
5.5.290.0070.03515.71
5.5.280.0180.03515.86
5.5.270.0080.04015.82
5.5.260.0020.03215.95
5.5.250.0070.02215.72
5.5.240.0100.02215.57
5.5.230.0040.03015.62
5.5.220.0070.02015.59
5.5.210.0030.04415.57
5.5.200.0030.04315.67
5.5.190.0060.03915.52
5.5.180.0040.02615.46
5.5.170.0080.00010.75
5.5.160.0100.04015.55
5.5.150.0050.02615.56
5.5.140.0080.03315.51
5.5.130.0050.03315.49
5.5.120.0050.04015.59
5.5.110.0050.02815.51
5.5.100.0070.04115.60
5.5.90.0100.03015.57
5.5.80.0020.04515.47
5.5.70.0050.04515.55
5.5.60.0030.02615.55
5.5.50.0050.02715.40
5.5.40.0030.03515.42
5.5.30.0030.02815.54
5.5.20.0070.03615.37
5.5.10.0080.02715.54
5.5.00.0050.02215.52
5.4.450.0050.04115.19
5.4.440.0080.02815.13
5.4.430.0070.02515.07
5.4.420.0030.04515.28
5.4.410.0080.03915.16
5.4.400.0050.02314.75
5.4.390.0080.03514.89
5.4.380.0030.04314.97
5.4.370.0080.03514.97
5.4.360.0030.02814.85
5.4.350.0050.03915.03
5.4.340.0070.03415.05
5.4.330.0000.01210.74
5.4.320.0060.02515.02
5.4.310.0100.03515.08
5.4.300.0050.03914.83
5.4.290.0100.03514.85
5.4.280.0060.02214.92
5.4.270.0080.01915.00
5.4.260.0090.02215.08
5.4.250.0080.03314.79
5.4.240.0020.03315.01
5.4.230.0030.02414.77
5.4.220.0050.03314.76
5.4.210.0080.03814.94
5.4.200.0100.02114.96
5.4.190.0050.03414.99
5.4.180.0100.03214.92
5.4.170.0060.02014.99
5.4.160.0040.04014.76
5.4.150.0060.03614.82
5.4.140.0070.03713.63
5.4.130.0070.02213.57
5.4.120.0050.01813.63
5.4.110.0030.03913.71
5.4.100.0140.02513.72
5.4.90.0030.04313.61
5.4.80.0080.02313.67
5.4.70.0030.03013.73
5.4.60.0050.03613.55
5.4.50.0000.04513.57
5.4.40.0080.03113.67
5.4.30.0030.02013.66
5.4.20.0050.03213.41
5.4.10.0030.04213.61
5.4.00.0050.02013.20
5.3.290.0040.02612.42
5.3.280.0040.02312.53
5.3.270.0020.03312.54
5.3.260.0070.02212.56
5.3.250.0100.03212.52
5.3.240.0020.02812.40
5.3.230.0050.02312.45
5.3.220.0050.02112.43
5.3.210.0030.04212.37
5.3.200.0070.03212.35
5.3.190.0040.02512.50
5.3.180.0050.02712.55
5.3.170.0070.03712.60
5.3.160.0100.02512.47
5.3.150.0030.02812.53
5.3.140.0060.03512.38
5.3.130.0020.03712.38
5.3.120.0050.03212.43
5.3.110.0000.03812.41
5.3.100.0030.03912.29
5.3.90.0080.03212.21
5.3.80.0040.02012.08
5.3.70.0070.03312.06
5.3.60.0030.03512.13
5.3.50.0070.03012.20
5.3.40.0080.03012.18
5.3.30.0020.03212.08
5.3.20.0000.04211.92
5.3.10.0050.03711.92
5.3.00.0060.03311.89
5.2.170.0020.02111.22
5.2.160.0050.01511.22
5.2.150.0010.02311.22
5.2.140.0000.01711.22
5.2.130.0070.02711.22
5.2.120.0050.03311.22
5.2.110.0060.02011.22
5.2.100.0030.03511.22
5.2.90.0050.02911.22
5.2.80.0070.02811.22
5.2.70.0030.03311.22
5.2.60.0100.01611.22
5.2.50.0070.01711.22
5.2.40.0060.01811.22
5.2.30.0030.03111.22
5.2.20.0000.03711.22
5.2.10.0020.02211.22
5.2.00.0050.03211.22
5.1.60.0020.02111.22
5.1.50.0060.02511.22
5.1.40.0050.02811.22
5.1.30.0020.02611.22
5.1.20.0060.02511.22
5.1.10.0020.02511.22
5.1.00.0060.02611.22
5.0.50.0040.02711.22
5.0.40.0000.02711.22
5.0.30.0020.02111.22
5.0.20.0020.02311.22
5.0.10.0090.01811.22
5.0.00.0000.01911.22
4.4.90.0020.01311.22
4.4.80.0030.01911.22
4.4.70.0080.00811.22
4.4.60.0000.02011.22
4.4.50.0020.02211.22
4.4.40.0000.02911.22
4.4.30.0030.01711.22
4.4.20.0040.01511.22
4.4.10.0020.01911.22
4.4.00.0000.02711.22
4.3.110.0050.01311.22
4.3.100.0000.02111.22
4.3.90.0010.01611.22
4.3.80.0030.02511.22
4.3.70.0030.01811.22
4.3.60.0100.01211.22
4.3.50.0000.01411.22
4.3.40.0020.01711.22
4.3.30.0030.01711.22
4.3.20.0000.02111.22
4.3.10.0020.01311.22
4.3.00.0020.01311.22

preferences:
63.95 ms | 401 KiB | 5 Q