3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 't'; $t = array('test' => 'hello', 0 => 'zero', 1 => 'one'); print_r( $$a[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)
8.3.60.0140.00716.50
8.3.50.0150.00721.98
8.3.40.0110.00318.67
8.3.30.0100.00319.08
8.3.20.0070.00020.21
8.3.10.0000.00823.58
8.3.00.0070.00022.57
8.2.180.0110.00416.50
8.2.170.0040.01122.96
8.2.160.0150.00720.35
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0050.00222.20
8.2.110.0110.00721.18
8.2.100.0120.00017.97
8.2.90.0000.00819.36
8.2.80.0030.00617.97
8.2.70.0030.00517.50
8.2.60.0060.00317.93
8.2.50.0080.00018.07
8.2.40.0040.00418.31
8.2.30.0070.00318.18
8.2.20.0050.00317.70
8.2.10.0040.00419.52
8.2.00.0050.00217.74
8.1.280.0070.01425.92
8.1.270.0080.00023.79
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0050.00521.29
8.1.230.0030.00917.42
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.36
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0070.00318.66
8.1.160.0050.00222.00
8.1.150.0040.00418.48
8.1.140.0000.00717.39
8.1.130.0030.00317.81
8.1.120.0070.00017.37
8.1.110.0000.00817.47
8.1.100.0050.00217.44
8.1.90.0040.00417.38
8.1.80.0060.00017.38
8.1.70.0030.00317.41
8.1.60.0000.00717.65
8.1.50.0080.00017.59
8.1.40.0070.00317.43
8.1.30.0040.00417.44
8.1.20.0050.00317.67
8.1.10.0040.00417.50
8.1.00.0000.00717.41
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0070.00018.43
8.0.270.0000.00717.14
8.0.260.0030.00318.44
8.0.250.0050.00216.97
8.0.240.0000.00716.96
8.0.230.0040.00416.95
8.0.220.0030.00316.91
8.0.210.0000.00716.92
8.0.200.0030.00316.92
8.0.190.0000.00816.91
8.0.180.0070.00016.96
8.0.170.0000.00816.89
8.0.160.0030.00616.80
8.0.150.0030.00316.85
8.0.140.0040.00416.75
8.0.130.0060.00313.38
8.0.120.0030.00516.82
8.0.110.0000.00716.73
8.0.100.0000.00716.93
8.0.90.0000.00716.75
8.0.80.0060.00916.84
8.0.70.0020.00516.77
8.0.60.0040.00416.72
8.0.50.0040.00416.90
8.0.30.0090.00916.96
8.0.20.0110.00717.40
8.0.10.0000.00716.92
8.0.00.0120.01016.69
7.4.330.0050.00015.18
7.4.320.0000.00616.49
7.4.300.0060.00016.59
7.4.290.0030.00316.49
7.4.280.0030.00316.50
7.4.270.0040.00416.50
7.4.260.0080.00016.48
7.4.250.0030.00316.52
7.4.240.0020.00516.60
7.4.230.0070.00016.50
7.4.220.0000.02116.64
7.4.210.0110.00316.56
7.4.200.0030.00316.61
7.4.190.0000.00716.70
7.4.160.0120.01216.46
7.4.150.0170.00717.40
7.4.140.0080.01117.86
7.4.130.0110.00816.68
7.4.120.0090.00916.45
7.4.110.0150.00616.55
7.4.100.0120.01216.46
7.4.90.0070.01016.46
7.4.80.0030.01519.39
7.4.70.0140.00316.48
7.4.60.0060.01016.55
7.4.50.0030.00316.39
7.4.40.0030.01322.77
7.4.30.0050.01116.38
7.4.00.0060.01015.15
7.3.330.0030.00313.08
7.3.320.0050.00012.98
7.3.310.0000.00716.20
7.3.300.0000.00616.25
7.3.290.0030.01016.29
7.3.280.0060.01416.24
7.3.270.0090.01517.40
7.3.260.0110.01116.31
7.3.250.0120.00616.35
7.3.240.0100.00716.44
7.3.230.0060.01016.39
7.3.210.0140.00416.25
7.3.200.0110.00619.39
7.3.190.0030.01416.63
7.3.180.0140.00716.31
7.3.170.0070.00716.43
7.3.160.0060.00916.41
7.3.120.0100.00714.93
7.3.110.0030.01014.66
7.3.100.0070.00714.72
7.3.90.0150.00014.67
7.3.80.0090.00615.01
7.3.70.0030.00714.49
7.3.60.0070.00714.84
7.3.50.0040.01114.69
7.3.40.0070.01014.58
7.3.30.0080.00614.76
7.3.20.0060.00616.71
7.3.10.0070.00516.52
7.3.00.0030.00816.63
7.2.330.0070.01016.23
7.2.320.0070.01016.57
7.2.310.0030.01516.52
7.2.300.0090.00916.21
7.2.290.0130.00316.51
7.2.240.0060.00615.04
7.2.230.0030.01315.07
7.2.220.0060.00614.96
7.2.210.0030.01214.86
7.2.200.0040.01114.77
7.2.190.0120.00314.71
7.2.180.0070.01014.81
7.2.170.0070.01114.71
7.2.160.0040.01414.52
7.2.150.0060.00316.60
7.2.140.0060.00916.51
7.2.130.0080.00616.81
7.2.120.0090.00516.84
7.2.110.0070.00616.53
7.2.100.0060.00816.74
7.2.90.0030.01216.73
7.2.80.0070.00616.67
7.2.70.0060.00616.75
7.2.60.0050.01016.54
7.2.50.0060.00616.66
7.2.40.0050.00716.76
7.2.30.0060.00816.58
7.2.20.0060.00916.83
7.2.10.0040.00916.84
7.2.00.0060.00717.56
7.1.330.0000.01515.67
7.1.320.0070.00715.57
7.1.310.0060.00815.83
7.1.300.0060.00315.53
7.1.290.0100.00715.34
7.1.280.0070.00415.58
7.1.270.0110.00015.62
7.1.260.0130.00315.82
7.1.250.0050.00815.72
7.1.200.0100.00315.76
7.1.100.0060.00617.81
7.1.70.0100.00316.88
7.1.60.0040.01919.29
7.1.50.0070.01716.83
7.1.00.0030.07722.33
7.0.200.0000.01016.27
7.0.140.0030.04722.00
7.0.60.0030.06319.93
7.0.50.0070.04717.85
7.0.40.0100.03720.12
7.0.30.0430.06720.16
7.0.20.0270.08020.04
7.0.10.0200.04020.16
7.0.00.0070.05320.19
5.6.280.0070.07021.06
5.6.210.0030.05320.50
5.6.200.0030.05018.12
5.6.190.0130.06020.47
5.6.180.0100.06320.33
5.6.170.0100.04720.50
5.6.160.0100.08320.46
5.6.150.0070.08018.14
5.6.140.0100.07318.21
5.6.130.0130.03318.24
5.6.120.0000.09021.04
5.6.110.0030.09320.97
5.6.100.0070.05320.98
5.6.90.0000.04321.00
5.6.80.0070.07020.33
5.6.70.0200.03020.34
5.5.350.0070.07320.32
5.5.340.0070.03717.95
5.5.330.0100.08020.19
5.5.320.0030.08320.35
5.5.310.0270.04320.27
5.5.300.0070.08017.91
5.5.290.0130.06717.95
5.5.280.0070.05320.87
5.5.270.0030.05320.84
5.5.260.0070.06720.73
5.5.250.0070.08020.68
5.5.240.0070.05320.25
5.4.450.0600.05019.42
5.4.440.0270.05719.63
5.4.430.0200.07019.55
5.4.420.0170.06019.46
5.4.410.0400.06719.57
5.4.400.0230.05019.13
5.4.390.0200.05019.29
5.4.380.0200.04718.53
5.4.370.0300.05718.78
5.4.360.0270.04718.80
5.4.350.0300.05018.79
5.4.340.0400.04318.84
5.4.320.0050.04012.48
5.4.310.0070.03712.47
5.4.300.0040.04212.48
5.4.290.0060.03912.47
5.4.280.0090.04012.37
5.4.270.0040.04512.37
5.4.260.0070.04212.37
5.4.250.0040.04012.38
5.4.240.0070.04212.37
5.4.230.0070.03712.36
5.4.220.0040.03812.37
5.4.210.0050.04112.37
5.4.200.0120.04612.35
5.4.190.0130.04412.34
5.4.180.0180.03912.35
5.4.170.0150.04712.36
5.4.160.0170.04212.35
5.4.150.0140.04512.35
5.4.140.0150.04412.03
5.4.130.0160.04112.02
5.4.120.0150.04111.98
5.4.110.0160.04011.97
5.4.100.0170.04111.97
5.4.90.0130.04411.97
5.4.80.0150.04411.97
5.4.70.0210.04111.96
5.4.60.0200.09911.97
5.4.50.0110.04511.97
5.4.40.0160.04011.96
5.4.30.0120.04611.95
5.4.20.0140.04211.96
5.4.10.0140.04211.95
5.4.00.0150.04111.45
5.3.290.0060.04712.80
5.3.280.0070.04212.71
5.3.270.0150.04612.72
5.3.260.0200.04312.72
5.3.250.0300.06312.72
5.3.240.0150.04512.72
5.3.230.0120.04912.71
5.3.220.0220.06712.68
5.3.210.0230.03812.68
5.3.200.0130.04612.68
5.3.190.0110.04912.68
5.3.180.0130.04612.68
5.3.170.0120.04712.66
5.3.160.0150.04412.67
5.3.150.0130.04712.67
5.3.140.0160.04312.66
5.3.130.0180.04212.66
5.3.120.0270.06312.65
5.3.110.0190.04112.66
5.3.100.0190.04012.12
5.3.90.0150.04312.08
5.3.80.0120.04712.08
5.3.70.0150.04512.07
5.3.60.0160.04312.07
5.3.50.0170.04312.00
5.3.40.0140.04712.00
5.3.30.0260.06111.96
5.3.20.0130.04411.74
5.3.10.0230.06211.70
5.3.00.0110.04511.68
5.2.170.0100.0399.19
5.2.160.0290.0479.19
5.2.150.0150.0329.19
5.2.140.0110.0369.19
5.2.130.0150.0319.14
5.2.120.0130.0339.14
5.2.110.0240.0539.15
5.2.100.0130.0349.15
5.2.90.0130.0329.15
5.2.80.0160.0309.14
5.2.70.0150.0329.14
5.2.60.0140.0329.10
5.2.50.0140.0329.06
5.2.40.0120.0349.04
5.2.30.0130.0339.02
5.2.20.0190.0279.00
5.2.10.0130.0368.91
5.2.00.0150.0378.77
5.1.60.0470.0638.04
5.1.50.0080.0338.04
5.1.40.0110.0288.02
5.1.30.0110.0328.36
5.1.20.0100.0328.39
5.1.10.0100.0328.12
5.1.00.0110.0318.12
5.0.50.0110.0226.59
5.0.40.0110.0216.45
5.0.30.0110.0336.27
5.0.20.0080.0246.25
5.0.10.0090.0226.22
5.0.00.0100.0336.21
4.4.90.0110.0144.78
4.4.80.0050.0194.75
4.4.70.0250.0614.76
4.4.60.0060.0204.75
4.4.50.0050.0204.77
4.4.40.0050.0314.70
4.4.30.0060.0194.76
4.4.20.0060.0184.85
4.4.10.0070.0204.85
4.4.00.0060.0304.76
4.3.110.0090.0164.67
4.3.100.0070.0184.66
4.3.90.0070.0174.63
4.3.80.0080.0264.59
4.3.70.0050.0194.63
4.3.60.0270.0574.63
4.3.50.0070.0184.63
4.3.40.0080.0264.53
4.3.30.0060.0183.28
4.3.20.0080.0173.27
4.3.10.0050.0173.22
4.3.00.0000.01313.64

preferences:
75.36 ms | 400 KiB | 5 Q