3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a =& $foo['bar']['baz'];

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)
8.3.40.0070.00718.67
8.3.30.0120.00620.21
8.3.20.0000.00720.34
8.3.10.0040.00422.14
8.3.00.0080.00022.40
8.2.170.0070.01022.96
8.2.160.0070.00722.27
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0000.00820.80
8.2.110.0030.00622.16
8.2.100.0060.00617.66
8.2.90.0060.00319.17
8.2.80.0030.00519.25
8.2.70.0000.00817.48
8.2.60.0030.00618.04
8.2.50.0060.00318.07
8.2.40.0070.00417.95
8.2.30.0080.00019.35
8.2.20.0050.00217.71
8.2.10.0000.00717.55
8.2.00.0040.00417.67
8.1.270.0070.00023.99
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00023.89
8.1.230.0030.00818.97
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0090.00017.11
8.1.190.0030.00617.40
8.1.180.0000.00818.10
8.1.170.0060.00318.51
8.1.160.0090.00018.78
8.1.150.0080.00018.61
8.1.140.0040.00417.44
8.1.130.0070.00017.84
8.1.120.0030.00317.44
8.1.110.0000.00717.33
8.1.100.0000.00917.37
8.1.90.0070.00017.27
8.1.80.0040.00417.41
8.1.70.0000.00817.29
8.1.60.0040.00417.45
8.1.50.0030.00617.38
8.1.40.0050.00217.48
8.1.30.0040.00417.43
8.1.20.0060.00317.58
8.1.10.0050.00517.48
8.1.00.0040.00417.26
8.0.300.0070.00018.77
8.0.290.0000.00817.05
8.0.280.0030.00318.42
8.0.270.0000.00717.20
8.0.260.0030.00316.69
8.0.250.0000.00716.79
8.0.240.0040.00416.86
8.0.230.0030.00316.85
8.0.220.0000.00616.82
8.0.210.0000.00716.81
8.0.200.0000.00616.93
8.0.190.0050.00316.88
8.0.180.0070.00016.80
8.0.170.0030.00616.88
8.0.160.0070.00016.81
8.0.150.0000.00816.73
8.0.140.0040.00416.79
8.0.130.0000.00613.33
8.0.120.0040.00416.67
8.0.110.0050.00316.77
8.0.100.0040.00416.77
8.0.90.0040.00416.72
8.0.80.0090.00616.85
8.0.70.0070.00016.80
8.0.60.0070.00016.84
8.0.50.0050.00216.70
8.0.30.0110.00817.00
8.0.20.0080.01217.40
8.0.10.0030.00416.88
8.0.00.0150.00916.68
7.4.330.0050.00015.05
7.4.320.0040.00416.53
7.4.300.0030.00316.43
7.4.290.0060.00016.43
7.4.280.0000.00716.53
7.4.270.0040.00416.52
7.4.260.0030.00313.19
7.4.250.0040.00416.38
7.4.240.0020.00516.41
7.4.230.0000.00716.60
7.4.220.0090.00916.55
7.4.210.0090.00716.56
7.4.200.0070.00016.27
7.4.190.0030.00316.33
7.4.160.0200.00316.34
7.4.150.0060.01217.40
7.4.140.0100.00717.86
7.4.130.0120.00816.40
7.4.120.0090.00716.44
7.4.110.0100.00716.24
7.4.100.0080.00916.36
7.4.90.0090.00916.44
7.4.80.0100.00919.39
7.4.70.0100.00716.54
7.4.60.0030.01416.47
7.4.50.0040.00416.45
7.4.40.0120.00622.77
7.4.30.0070.01416.50
7.4.10.0130.00015.12
7.4.00.0110.00314.61
7.3.330.0020.00213.04
7.3.320.0030.00313.01
7.3.310.0000.00616.02
7.3.300.0000.00616.20
7.3.290.0060.00916.21
7.3.280.0070.00816.22
7.3.270.0160.00317.40
7.3.260.0170.00716.41
7.3.250.0090.00816.29
7.3.240.0070.01116.14
7.3.230.0120.01216.39
7.3.210.0090.00916.37
7.3.200.0130.00319.39
7.3.190.0110.00716.37
7.3.180.0190.00516.34
7.3.170.0130.00316.27
7.3.160.0160.00816.34
7.3.130.0120.00814.82
7.3.120.0110.00414.66
7.3.110.0150.00314.73
7.3.100.0030.01014.72
7.3.90.0040.01114.71
7.3.80.0030.01014.62
7.3.70.0060.00314.45
7.3.60.0110.00314.71
7.3.50.0000.01114.57
7.3.40.0090.00614.71
7.3.30.0080.00814.70
7.3.20.0040.00816.48
7.3.10.0060.00316.74
7.3.00.0070.01116.23
7.2.330.0070.01016.39
7.2.320.0130.00316.58
7.2.310.0040.01216.50
7.2.300.0100.00616.61
7.2.290.0000.01716.57
7.2.260.0040.01114.56
7.2.250.0060.01315.03
7.2.240.0000.01415.04
7.2.230.0100.01014.63
7.2.220.0090.00614.71
7.2.210.0030.00614.60
7.2.200.0000.01515.04
7.2.190.0030.00914.86
7.2.180.0080.00314.90
7.2.170.0040.01114.83
7.2.160.0060.00914.96
7.2.150.0000.01416.54
7.2.140.0100.00716.83
7.2.130.0080.01116.73
7.2.120.0070.01116.82
7.2.110.0080.00716.58
7.2.100.0050.00916.43
7.2.90.0000.01316.64
7.2.80.0070.00716.68
7.2.70.0020.01316.90
7.2.60.0060.00616.86
7.2.50.0050.00916.67
7.2.40.0050.00916.53
7.2.30.0060.00816.74
7.2.20.0050.00616.72
7.2.10.0040.00916.86
7.2.00.0080.00717.61
7.1.330.0070.00715.65
7.1.320.0110.00315.91
7.1.310.0030.01215.46
7.1.300.0070.00715.74
7.1.290.0000.01515.67
7.1.280.0030.01315.50
7.1.270.0100.00315.67
7.1.260.0030.00915.77
7.1.250.0130.00315.57
7.1.240.0030.01015.72
7.1.230.0070.00315.62
7.1.220.0040.00915.53
7.1.210.0070.00715.79
7.1.200.0060.00815.66
7.1.190.0080.00515.51
7.1.180.0070.00715.74
7.1.170.0040.00615.82
7.1.160.0060.00815.69
7.1.150.0070.00815.68
7.1.140.0050.00515.62
7.1.130.0060.00615.65
7.1.120.0120.00015.48
7.1.110.0080.00315.80
7.1.100.0050.01116.47
7.1.90.0020.01015.66
7.1.80.0050.00715.67
7.1.70.0020.00916.13
7.1.60.0100.00816.79
7.1.50.0060.01316.25
7.1.40.0040.01115.87
7.1.30.0080.00815.81
7.1.20.0060.00915.59
7.1.10.0070.00715.61
7.1.00.0060.02917.88
7.0.330.0100.00715.27
7.0.320.0030.01315.22
7.0.310.0040.01115.32
7.0.300.0030.00815.16
7.0.290.0050.00715.23
7.0.280.0060.00615.23
7.0.270.0070.00715.34
7.0.260.0020.00715.10
7.0.250.0000.01015.40
7.0.240.0050.00515.28
7.0.230.0040.00715.00
7.0.220.0050.00515.21
7.0.210.0070.00715.31
7.0.200.0060.00515.68
7.0.190.0010.01115.33
7.0.180.0090.00315.17
7.0.170.0030.00615.32
7.0.160.0100.00315.19
7.0.150.0030.01115.30
7.0.140.0040.02817.57
7.0.130.0030.00715.29
7.0.120.0070.00715.41
7.0.110.0040.00715.21
7.0.100.0010.01916.81
7.0.90.0080.02816.68
7.0.80.0080.02816.66
7.0.70.0030.02116.79
7.0.60.0060.03716.95
7.0.50.0100.03216.97
7.0.40.0040.01915.56
7.0.30.0070.03215.58
7.0.20.0120.02815.65
7.0.10.0110.03215.64
7.0.00.0060.03015.62
5.6.400.0060.01314.27
5.6.390.0060.01014.31
5.6.380.0060.01014.30
5.6.370.0050.00714.15
5.6.360.0070.00614.07
5.6.350.0030.00714.18
5.6.340.0070.00714.42
5.6.330.0030.01114.59
5.6.320.0030.00614.26
5.6.310.0080.00514.46
5.6.300.0050.00914.37
5.6.290.0090.00314.31
5.6.280.0070.02816.50
5.6.270.0050.00514.36
5.6.260.0070.00514.41
5.6.250.0030.02316.54
5.6.240.0130.01916.45
5.6.230.0070.03016.38
5.6.220.0050.03016.45
5.6.210.0060.03216.34
5.6.200.0070.02616.56
5.6.190.0050.03216.53
5.6.180.0070.03216.42
5.6.170.0060.02616.50
5.6.160.0060.02316.51
5.6.150.0030.03316.61
5.6.140.0070.01816.46
5.6.130.0110.03016.44
5.6.120.0070.02216.50
5.6.110.0060.02616.41
5.6.100.0060.03016.50
5.6.90.0050.02816.63
5.6.80.0090.02816.27
5.6.70.0060.03116.15
5.6.60.0070.03016.17
5.6.50.0040.03616.29
5.6.40.0100.02816.25
5.6.30.0070.02416.36
5.6.20.0080.03016.29
5.6.10.0080.02316.24
5.6.00.0080.03016.22
5.5.380.0070.02015.30
5.5.370.0070.03115.07
5.5.360.0040.03015.20
5.5.350.0070.03115.18
5.5.340.0050.02915.18
5.5.330.0090.03015.48
5.5.320.0120.02415.39
5.5.310.0050.02615.19
5.5.300.0080.02515.38
5.5.290.0050.02615.09
5.5.280.0060.03315.39
5.5.270.0080.01915.34
5.5.260.0070.03115.33
5.5.250.0050.02915.26
5.5.240.0010.03315.07
5.5.230.0090.03015.10
5.5.220.0050.03215.12
5.5.210.0060.03215.01
5.5.200.0070.03115.11
5.5.190.0050.02915.07
5.5.180.0060.02815.06
5.5.170.0050.00914.03
5.5.160.0040.03015.06
5.5.150.0070.02415.11
5.5.140.0050.02915.01
5.5.130.0090.01615.14
5.5.120.0040.02215.01
5.5.110.0060.02715.18
5.5.100.0050.02114.91
5.5.90.0080.02915.02
5.5.80.0060.02315.08
5.5.70.0040.03015.08
5.5.60.0100.02614.98
5.5.50.0070.02615.07
5.5.40.0070.03115.10
5.5.30.0030.03214.90
5.5.20.0070.02714.97
5.5.10.0090.02715.18
5.5.00.0080.03015.12
5.4.450.0060.02913.85
5.4.440.0050.02913.66
5.4.430.0090.02813.75
5.4.420.0080.02813.70
5.4.410.0060.02213.72
5.4.400.0040.03413.45
5.4.390.0070.02013.70
5.4.380.0050.02913.63
5.4.370.0060.02613.58
5.4.360.0060.03013.63
5.4.350.0050.02713.65
5.4.340.0100.02113.64
5.4.330.0040.00710.91
5.4.320.0040.03213.70
5.4.310.0010.02813.56
5.4.300.0070.02113.52
5.4.290.0060.02913.60
5.4.280.0060.03013.49
5.4.270.0080.02813.69
5.4.260.0030.02813.54
5.4.250.0060.03113.56
5.4.240.0010.02613.70
5.4.230.0050.02313.56
5.4.220.0030.03213.61
5.4.210.0060.02813.49
5.4.200.0050.03013.52
5.4.190.0080.02613.46
5.4.180.0040.02913.65
5.4.170.0040.02513.55
5.4.160.0040.02813.58
5.4.150.0050.02813.51
5.4.140.0030.02312.75
5.4.130.0070.02912.58
5.4.120.0070.02312.56
5.4.110.0030.02712.58
5.4.100.0030.02212.69
5.4.90.0090.02412.80
5.4.80.0040.02012.67
5.4.70.0090.02212.54
5.4.60.0070.02812.76
5.4.50.0010.02112.62
5.4.40.0060.01512.71
5.4.30.0080.01912.61
5.4.20.0040.02712.73
5.4.10.0030.03012.64
5.4.00.0050.02912.51
5.3.290.0040.03011.92
5.3.280.0070.02811.84
5.3.270.0070.02611.81
5.3.260.0020.02711.86
5.3.250.0070.02811.85
5.3.240.0050.02811.77
5.3.230.0080.02511.76
5.3.220.0060.02911.76
5.3.210.0030.02011.79
5.3.200.0050.02711.79
5.3.190.0030.02211.75
5.3.180.0030.02911.83
5.3.170.0040.03111.86
5.3.160.0070.02411.92
5.3.150.0070.02511.88
5.3.140.0030.03111.81
5.3.130.0060.02911.78
5.3.120.0040.02011.81
5.3.110.0020.03211.85
5.3.100.0090.02211.70
5.3.90.0040.02911.66
5.3.80.0030.03011.58
5.3.70.0040.02211.59
5.3.60.0070.02811.65
5.3.50.0070.02411.47
5.3.40.0090.02611.51
5.3.30.0070.02411.60
5.3.20.0040.01711.46
5.3.10.0050.02311.43
5.3.00.0080.01711.35
5.2.170.0060.02810.80
5.2.160.0020.03510.85
5.2.150.0080.02810.87
5.2.140.0030.02210.80
5.2.130.0030.01510.87
5.2.120.0050.03410.78
5.2.110.0020.03610.78
5.2.100.0030.03510.78
5.2.90.0080.02710.75
5.2.80.0050.03010.88
5.2.70.0070.03210.88
5.2.60.0070.02710.79
5.2.50.0050.02810.74
5.2.40.0050.02710.73
5.2.30.0080.02110.81
5.2.20.0050.03210.78
5.2.10.0070.03010.76
5.2.00.0020.02710.69
5.1.60.0050.02710.32
5.1.50.0020.02110.29
5.1.40.0020.01810.28
5.1.30.0050.02810.50
5.1.20.0050.02610.50
5.1.10.0050.02310.33
5.1.00.0040.01710.33
5.0.50.0040.0229.49
5.0.40.0020.0279.46
5.0.30.0030.0359.46
5.0.20.0030.0239.46
5.0.10.0060.0229.46
5.0.00.0030.0259.46
4.4.90.0000.0219.46
4.4.80.0050.0209.46
4.4.70.0030.0159.46
4.4.60.0020.0219.46
4.4.50.0000.0209.46
4.4.40.0020.0299.46
4.4.30.0030.0189.46
4.4.20.0030.0179.46
4.4.10.0020.0159.46
4.4.00.0020.0309.46
4.3.110.0030.0209.46
4.3.100.0040.0139.46
4.3.90.0030.0189.46
4.3.80.0020.0289.46
4.3.70.0030.0189.46
4.3.60.0000.0199.46
4.3.50.0010.0209.46
4.3.40.0000.0289.46
4.3.30.0000.0139.46
4.3.20.0030.0139.46
4.3.10.0020.0209.46
4.3.00.0020.0219.46

preferences:
46.13 ms | 400 KiB | 5 Q