3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('format' => array('a' => 'b', 'c' => 1)); $b = $a['format']; $c = $b['c']; echo $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)
8.3.40.0180.00418.75
8.3.30.0130.00319.05
8.3.20.0070.00020.36
8.3.10.0080.00020.52
8.3.00.0040.00419.38
8.2.170.0070.00722.96
8.2.160.0030.01020.26
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0000.00826.16
8.2.120.0040.00422.10
8.2.110.0030.00622.20
8.2.100.0080.00417.72
8.2.90.0040.00419.24
8.2.80.0090.00017.97
8.2.70.0050.00317.75
8.2.60.0030.00518.05
8.2.50.0080.00018.07
8.2.40.0060.00617.84
8.2.30.0000.00719.43
8.2.20.0040.00417.70
8.2.10.0000.00818.15
8.2.00.0080.00017.58
8.1.270.0040.00422.24
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00624.00
8.1.230.0040.00719.16
8.1.220.0080.00017.74
8.1.210.0050.00318.77
8.1.200.0030.01017.23
8.1.190.0030.00517.09
8.1.180.0080.00018.10
8.1.170.0090.00018.45
8.1.160.0000.00721.94
8.1.150.0040.00418.73
8.1.140.0000.00817.34
8.1.130.0030.00317.82
8.1.120.0000.00717.44
8.1.110.0040.00417.29
8.1.100.0070.00017.43
8.1.90.0040.00417.30
8.1.80.0050.00517.39
8.1.70.0040.00417.33
8.1.60.0040.00417.50
8.1.50.0040.00417.42
8.1.40.0030.00617.48
8.1.30.0000.00917.46
8.1.20.0040.00417.60
8.1.10.0050.00217.42
8.1.00.0000.00817.48
8.0.300.0070.00018.77
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0070.00017.19
8.0.260.0000.00617.19
8.0.250.0030.00316.85
8.0.240.0040.00416.83
8.0.230.0030.00316.84
8.0.220.0030.00516.83
8.0.210.0000.00716.79
8.0.200.0030.00316.77
8.0.190.0040.00416.87
8.0.180.0040.00416.80
8.0.170.0030.00616.82
8.0.160.0030.00316.69
8.0.150.0040.00416.76
8.0.140.0000.00716.71
8.0.130.0030.00313.27
8.0.120.0050.00316.76
8.0.110.0040.00416.82
8.0.100.0060.00316.71
8.0.90.0000.00716.82
8.0.80.0120.00316.81
8.0.70.0040.00416.71
8.0.60.0040.00416.88
8.0.50.0000.00716.82
8.0.30.0070.01317.26
8.0.20.0130.00717.40
8.0.10.0000.00716.82
8.0.00.0100.00716.94
7.4.330.0030.00315.00
7.4.320.0040.00416.39
7.4.300.0000.00616.42
7.4.290.0040.00416.38
7.4.280.0030.00616.32
7.4.270.0000.00616.54
7.4.260.0060.00016.51
7.4.250.0000.00716.49
7.4.240.0050.00216.39
7.4.230.0000.00716.42
7.4.220.0070.01616.56
7.4.210.0150.00416.64
7.4.200.0000.00716.61
7.4.160.0090.00616.47
7.4.150.0090.00917.40
7.4.140.0080.01217.86
7.4.130.0060.01016.38
7.4.120.0130.00816.43
7.4.110.0130.00316.36
7.4.100.0140.00316.55
7.4.90.0100.01016.41
7.4.80.0140.00319.39
7.4.70.0130.00516.47
7.4.60.0100.01016.56
7.4.50.0000.00816.53
7.4.40.0060.01016.54
7.4.30.0100.00716.47
7.4.10.0070.01014.96
7.4.00.0070.00714.84
7.3.330.0030.00213.16
7.3.320.0050.00013.24
7.3.310.0040.00416.21
7.3.300.0000.00616.29
7.3.290.0090.01016.31
7.3.280.0060.01216.25
7.3.270.0100.00617.40
7.3.260.0030.01516.29
7.3.250.0090.00916.47
7.3.240.0150.00616.29
7.3.230.0130.00316.51
7.3.210.0180.00316.37
7.3.200.0090.01319.39
7.3.190.0030.01616.26
7.3.180.0130.00316.51
7.3.170.0070.01116.49
7.3.160.0060.01016.44
7.3.130.0070.01114.79
7.3.120.0070.00714.73
7.3.110.0020.01214.87
7.3.100.0070.00614.72
7.3.90.0060.00714.90
7.3.80.0070.00614.77
7.3.70.0060.00814.83
7.3.60.0050.00714.61
7.3.50.0020.01014.84
7.3.40.0050.00814.78
7.3.30.0040.01014.75
7.3.20.0080.00616.75
7.3.10.0030.00916.63
7.3.00.0090.00516.60
7.2.330.0140.00416.68
7.2.320.0100.00616.73
7.2.310.0100.00616.41
7.2.300.0090.01316.71
7.2.290.0060.01216.44
7.2.260.0030.01615.00
7.2.250.0080.00714.86
7.2.240.0050.00914.97
7.2.230.0080.00715.18
7.2.220.0060.00714.97
7.2.210.0070.00714.86
7.2.200.0030.00815.03
7.2.190.0030.01014.88
7.2.180.0060.00515.06
7.2.170.0040.00914.94
7.2.160.0050.01014.94
7.2.150.0070.00816.89
7.2.140.0040.00816.78
7.2.130.0070.00616.94
7.2.120.0080.00616.95
7.2.110.0070.00916.86
7.2.100.0060.00616.98
7.2.90.0030.00816.84
7.2.80.0040.00917.03
7.2.70.0020.01216.96
7.2.60.0070.00416.92
7.2.50.0080.00616.79
7.2.40.0030.01016.91
7.2.30.0040.00816.92
7.2.20.0050.00916.88
7.2.10.0040.00916.81
7.2.00.0070.00717.68
7.1.330.0040.01015.62
7.1.320.0030.00915.58
7.1.310.0050.00815.55
7.1.300.0050.00615.67
7.1.290.0030.00715.41
7.1.280.0030.00815.55
7.1.270.0040.00915.57
7.1.260.0050.00615.63
7.1.250.0030.00715.59
7.1.240.0090.00915.80
7.1.230.0030.01015.73
7.1.220.0060.00315.51
7.1.210.0070.00715.68
7.1.200.0050.00515.50
7.1.190.0000.01015.71
7.1.180.0070.00715.79
7.1.170.0080.00815.73
7.1.160.0060.00615.75
7.1.150.0070.00715.64
7.1.140.0070.01015.64
7.1.130.0100.00715.79
7.1.120.0030.00815.47
7.1.110.0000.01315.88
7.1.100.0030.00916.79
7.1.90.0030.01015.65
7.1.80.0110.00415.63
7.1.70.0020.00716.42
7.1.60.0010.00917.31
7.1.50.0120.00516.22
7.1.40.0040.01115.60
7.1.30.0030.01015.49
7.1.20.0040.00815.57
7.1.10.0070.00715.62
7.1.00.0030.04218.93
7.0.330.0080.00615.29
7.0.320.0000.01415.54
7.0.310.0000.01415.44
7.0.300.0110.00415.30
7.0.290.0070.00715.32
7.0.280.0030.01315.09
7.0.270.0060.00315.42
7.0.260.0000.01515.34
7.0.250.0030.01215.30
7.0.240.0030.00615.22
7.0.230.0080.00815.30
7.0.220.0110.00315.55
7.0.210.0100.00315.42
7.0.200.0040.00816.01
7.0.190.0060.00815.54
7.0.180.0080.00615.28
7.0.170.0040.00415.41
7.0.160.0040.00815.40
7.0.150.0040.00915.48
7.0.140.0050.04018.76
7.0.130.0090.00915.42
7.0.120.0030.00915.63
7.0.110.0060.00615.13
7.0.100.0080.00315.46
7.0.90.0110.00415.42
7.0.80.0000.01015.34
7.0.70.0070.00315.40
7.0.60.0050.04117.67
7.0.50.0110.04216.74
7.0.40.0050.02916.79
7.0.30.0320.03616.80
7.0.20.0190.03716.64
7.0.10.0050.04516.89
7.0.00.0050.03016.71
5.6.400.0090.00614.45
5.6.390.0060.00914.42
5.6.380.0070.00714.32
5.6.370.0070.00414.48
5.6.360.0000.01214.11
5.6.350.0070.00714.31
5.6.340.0000.01514.34
5.6.330.0000.01214.78
5.6.320.0080.00314.02
5.6.310.0030.00614.66
5.6.300.0030.01214.34
5.6.290.0040.00714.60
5.6.280.0100.03817.47
5.6.270.0000.01214.58
5.6.260.0000.00814.39
5.6.250.0000.01514.57
5.6.240.0030.00714.51
5.6.230.0090.00614.52
5.6.220.0080.00414.58
5.6.210.0130.03817.56
5.6.200.0020.02716.21
5.6.190.0030.03417.66
5.6.180.0320.03317.52
5.6.170.0120.02317.31
5.6.160.0070.04517.28
5.6.150.0100.03516.25
5.6.140.0030.02616.25
5.6.130.0100.03216.32
5.6.120.0050.03917.56
5.6.110.0060.02317.58
5.6.100.0130.03817.61
5.6.90.0030.04017.56
5.6.80.0070.02817.36
5.6.70.0070.00414.33
5.6.60.0030.01013.97
5.6.50.0030.00614.30
5.6.40.0000.01214.10
5.6.30.0110.00614.32
5.6.20.0100.00314.35
5.6.10.0030.00514.04
5.6.00.0030.00914.10
5.5.380.0080.00014.34
5.5.370.0030.01214.40
5.5.360.0000.01414.41
5.5.350.0110.03917.45
5.5.340.0020.02216.17
5.5.330.0070.02217.41
5.5.320.0000.02917.26
5.5.310.0220.02317.42
5.5.300.0070.04316.16
5.5.290.0060.04216.20
5.5.280.0070.02417.38
5.5.270.0050.03617.56
5.5.260.0030.05317.52
5.5.250.0220.04017.28
5.5.240.0050.04917.29
5.5.230.0000.01014.05
5.5.220.0090.00314.18
5.5.210.0000.01214.41
5.5.200.0060.00914.18
5.5.190.0120.00614.14
5.5.180.0100.00314.21
5.5.170.0030.01014.02
5.5.160.0000.01314.05
5.5.150.0040.00414.13
5.5.140.0000.00814.41
5.5.130.0000.01514.41
5.5.120.0100.00314.20
5.5.110.0030.01314.21
5.5.100.0070.00714.15
5.5.90.0100.00314.43
5.5.80.0040.01114.33
5.5.70.0000.01714.17
5.5.60.0070.00314.13
5.5.50.0070.01014.08
5.5.40.0090.00614.26
5.5.30.0030.01014.39
5.5.20.0070.01014.14
5.5.10.0030.01314.13
5.5.00.0000.01514.21
5.4.450.0100.02516.30
5.4.440.0130.02316.36
5.4.430.0120.02616.31
5.4.420.0130.02016.36
5.4.410.0530.02216.30
5.4.400.0220.02416.30
5.4.390.0150.02316.30
5.4.380.0220.02515.82
5.4.370.0160.02815.92
5.4.360.0180.02715.83
5.4.350.0180.03315.82
5.4.340.0150.03015.83
5.4.330.0060.00613.15
5.4.320.0060.02212.80
5.4.310.0070.01812.80
5.4.300.0050.02012.80
5.4.290.0030.02612.80
5.4.280.0050.02012.75
5.4.270.0040.02112.75
5.4.260.0010.02512.75
5.4.250.0060.02012.75
5.4.240.0040.02012.75
5.4.230.0040.02812.75
5.4.220.0040.02312.75
5.4.210.0060.02112.75
5.4.200.0040.02112.75
5.4.190.0050.02112.74
5.4.180.0050.02012.74
5.4.170.0030.02812.75
5.4.160.0050.02012.75
5.4.150.0040.02412.74
5.4.140.0060.01812.59
5.4.130.0050.01912.58
5.4.120.0050.02312.56
5.4.110.0050.02212.56
5.4.100.0070.01912.56
5.4.90.0070.02012.56
5.4.80.0070.01912.56
5.4.70.0050.01912.55
5.4.60.0040.02412.56
5.4.50.0050.01912.55
5.4.40.0050.01912.55
5.4.30.0040.02312.55
5.4.20.0040.02412.55
5.4.10.0060.01812.55
5.4.00.0060.01912.29
5.3.290.0090.04012.80
5.3.280.0060.03812.71
5.3.270.0080.04012.73
5.3.260.0070.03812.72
5.3.250.0040.04212.72
5.3.240.0070.03712.71
5.3.230.0080.03512.71
5.3.220.0050.03812.68
5.3.210.0090.04212.68
5.3.200.0070.03512.68
5.3.190.0030.04112.68
5.3.180.0100.03212.67
5.3.170.0110.04612.67
5.3.160.0050.03712.67
5.3.150.0070.04812.67
5.3.140.0080.03712.66
5.3.130.0060.04012.66
5.3.120.0060.03812.66
5.3.110.0070.03912.66
5.3.100.0070.03512.12
5.3.90.0050.03612.09
5.3.80.0070.03412.07
5.3.70.0040.03712.07
5.3.60.0080.03312.07
5.3.50.0080.03412.00
5.3.40.0070.03512.00
5.3.30.0060.03411.94
5.3.20.0080.03211.72
5.3.10.0040.04111.69
5.3.00.0050.03611.68
5.2.170.0050.0299.18
5.2.160.0040.0439.18
5.2.150.0080.0319.18
5.2.140.0080.0369.17
5.2.130.0110.0239.14
5.2.120.0100.0349.14
5.2.110.0050.0299.14
5.2.100.0050.0309.14
5.2.90.0050.0319.14
5.2.80.0040.0309.14
5.2.70.0050.0309.13
5.2.60.0040.0309.09
5.2.50.0030.0309.05
5.2.40.0030.0319.03
5.2.30.0060.0289.01
5.2.20.0060.0279.00
5.2.10.0070.0268.93
5.2.00.0050.0288.79
5.1.60.0060.0218.08
5.1.50.0030.0258.07
5.1.40.0060.0228.05
5.1.30.0070.0228.41
5.1.20.0020.0288.43
5.1.10.0070.0258.15
5.1.00.0030.0268.15
5.0.50.0040.0256.63
5.0.40.0030.0196.49
5.0.30.0050.0296.30
5.0.20.0040.0196.27
5.0.10.0060.0226.25
5.0.00.0020.0316.23
4.4.90.0040.0234.78
4.4.80.0010.0174.76
4.4.70.0040.0164.75
4.4.60.0020.0184.76
4.4.50.0040.0174.77
4.4.40.0040.0264.71
4.4.30.0010.0164.76
4.4.20.0020.0154.85
4.4.10.0050.0204.84
4.4.00.0020.0254.75
4.3.110.0020.0164.66
4.3.100.0030.0144.67
4.3.90.0020.0154.63
4.3.80.0050.0224.58
4.3.70.0010.0164.63
4.3.60.0030.0214.63
4.3.50.0040.0204.63
4.3.40.0020.0334.54
4.3.30.0050.0193.30
4.3.20.0020.0213.27
4.3.10.0030.0143.22
4.3.00.0030.01719.45

preferences:
66.64 ms | 400 KiB | 5 Q