3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [1=>'a']; var_dump($a[0] + 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)
8.3.40.0120.00318.81
8.3.30.0040.01118.96
8.3.20.0040.00420.20
8.3.10.0030.00621.77
8.3.00.0080.00019.26
8.2.170.0070.00722.96
8.2.160.0130.00320.44
8.2.150.0020.00525.66
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00317.50
8.2.110.0040.00420.53
8.2.100.0000.01218.09
8.2.90.0000.00819.40
8.2.80.0000.00917.97
8.2.70.0030.00517.63
8.2.60.0050.00317.91
8.2.50.0050.00518.07
8.2.40.0000.00818.22
8.2.30.0040.00417.96
8.2.20.0040.00417.79
8.2.10.0020.00517.98
8.2.00.0000.00817.98
8.1.270.0160.00620.22
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.83
8.1.230.0070.00419.21
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00417.25
8.1.190.0080.00017.11
8.1.180.0040.00418.10
8.1.170.0080.00018.41
8.1.160.0040.00421.99
8.1.150.0040.00418.87
8.1.140.0000.00817.39
8.1.130.0000.00917.61
8.1.120.0040.00417.37
8.1.110.0000.00717.37
8.1.100.0050.00217.41
8.1.90.0040.00417.41
8.1.80.0040.00417.25
8.1.70.0030.00317.37
8.1.60.0080.00017.56
8.1.50.0080.00017.42
8.1.40.0030.00617.43
8.1.30.0040.00417.50
8.1.20.0040.00417.63
8.1.10.0000.00817.52
8.1.00.0040.00417.49
8.0.300.0000.00818.77
8.0.290.0050.00316.63
8.0.280.0000.00718.31
8.0.270.0000.00717.12
8.0.260.0000.00717.12
8.0.250.0000.00816.93
8.0.240.0030.00316.99
8.0.230.0070.00016.94
8.0.220.0030.00316.84
8.0.210.0040.00416.77
8.0.200.0000.00616.86
8.0.190.0030.00316.94
8.0.180.0050.00316.88
8.0.170.0040.00416.96
8.0.160.0040.00416.70
8.0.150.0040.00416.81
8.0.140.0080.00016.88
8.0.130.0030.00313.27
8.0.120.0040.00416.70
8.0.110.0000.00716.72
8.0.100.0000.00816.75
8.0.90.0080.00016.83
8.0.80.0040.01216.83
8.0.70.0070.00016.89
8.0.60.0050.00216.82
8.0.50.0040.00416.68
8.0.30.0080.00917.19
8.0.20.0110.00817.40
8.0.10.0030.00316.99
8.0.00.0100.01016.80
7.4.330.0050.00015.07
7.4.320.0030.00316.38
7.4.300.0060.00016.57
7.4.290.0030.00316.40
7.4.280.0040.00416.52
7.4.270.0060.00016.45
7.4.260.0000.00716.39
7.4.250.0040.00416.49
7.4.240.0030.00416.49
7.4.230.0040.00416.55
7.4.220.0040.01516.39
7.4.210.0070.00716.53
7.4.200.0030.00316.19
7.4.160.0080.00816.36
7.4.150.0140.00317.40
7.4.140.0130.01017.86
7.4.130.0120.00916.34
7.4.120.0090.01116.47
7.4.110.0110.01116.50
7.4.100.0110.00716.38
7.4.90.0120.00616.55
7.4.80.0130.01019.39
7.4.70.0070.01016.37
7.4.60.0100.00616.43
7.4.50.0030.00316.42
7.4.40.0130.00616.52
7.4.30.0100.00616.29
7.4.00.0000.01114.70
7.3.330.0050.00013.07
7.3.320.0060.00013.24
7.3.310.0000.00716.37
7.3.300.0030.00316.38
7.3.290.0080.00516.26
7.3.280.0070.01016.29
7.3.270.0170.00017.40
7.3.260.0070.01016.48
7.3.250.0100.00816.25
7.3.240.0150.00316.43
7.3.230.0100.00616.40
7.3.210.0160.00016.40
7.3.200.0060.01419.39
7.3.190.0100.00616.43
7.3.180.0060.00916.45
7.3.170.0040.01716.43
7.3.160.0040.01216.27
7.2.330.0040.01316.55
7.2.320.0090.00916.49
7.2.310.0160.00616.31
7.2.300.0080.00816.31
7.2.290.0120.01116.49
7.2.00.0080.00419.46
7.1.100.0120.00017.98
7.1.70.0030.00517.13
7.1.60.0090.00316.99
7.1.50.0170.00717.04
7.1.00.0000.08022.51
7.0.200.0030.00916.63
7.0.60.0100.08020.00
7.0.50.0100.08317.79
7.0.40.0030.07020.12
7.0.30.0130.05720.17
7.0.20.0370.07720.09
7.0.10.0170.04020.12
7.0.00.0070.04020.32
5.6.280.0000.07721.10
5.6.210.0030.08320.55
5.6.200.0030.07718.15
5.6.190.0100.04720.77
5.6.180.4270.03720.45
5.6.170.0230.07720.40
5.6.160.0130.07720.41
5.6.150.0070.08018.19
5.6.140.0030.08318.17
5.6.130.0030.08718.18
5.6.120.0200.07021.11
5.6.110.0030.08321.00
5.6.100.0130.08020.98
5.6.90.0100.08720.98
5.6.80.0000.09020.39
5.6.70.0200.07320.41
5.5.350.0270.03720.41
5.5.340.0000.05017.95
5.5.330.0100.03320.29
5.5.320.0430.07720.17
5.5.310.0130.05020.50
5.5.300.0070.05317.98
5.5.290.0100.07317.87
5.5.280.0100.07720.88
5.5.270.0100.06020.88
5.5.260.0030.08720.86
5.5.250.0070.03720.64
5.5.240.0270.05720.11
5.4.450.0830.06019.61
5.4.440.0600.06719.13
5.4.430.0600.05719.20
5.4.420.0670.05319.14
5.4.410.0700.05319.41
5.4.400.0730.05019.32
5.4.390.0670.05319.08
5.4.380.0670.05019.16
5.4.370.0600.05718.91
5.4.360.0630.06018.95
5.4.350.0730.04718.88
5.4.340.0670.05319.21
5.4.320.0730.06019.13
5.4.310.0670.05019.06
5.4.300.0630.05018.90
5.4.290.0600.05719.29
5.4.280.0730.04319.22
5.4.270.0670.04718.90
5.4.260.0630.05019.18
5.4.250.0700.05318.97
5.4.240.0670.05018.89
5.4.230.0730.04318.80
5.4.220.0500.06719.08
5.4.210.0770.04719.18
5.4.200.0630.04716.57
5.4.190.0600.05318.84
5.4.180.0700.04719.10
5.4.170.0770.04719.02
5.4.160.0630.07019.15
5.4.150.0730.04318.91
5.4.140.0630.05016.51
5.4.130.0570.05716.51
5.4.120.0670.04716.61
5.4.110.0570.05716.42
5.4.100.0570.06016.34
5.4.90.0630.04716.17
5.4.80.0730.04016.31
5.4.70.0630.05016.12
5.4.60.0670.05016.47
5.4.50.0670.04316.30
5.4.40.0630.05016.10
5.4.30.0600.05016.47
5.4.20.0730.04316.38
5.4.10.0630.05016.30
5.4.00.0770.04015.87
5.3.290.0730.04314.50
5.3.280.0600.05314.51
5.3.270.0570.06314.44
5.3.260.0600.05714.61
5.3.250.0630.05314.63
5.3.240.0630.05314.48
5.3.230.0730.04714.49
5.3.220.0500.04714.55
5.3.210.0500.05014.57
5.3.200.0700.05714.42
5.3.190.0670.05014.41
5.3.180.0830.04014.48
5.3.170.0630.04714.40
5.3.160.0570.05714.39
5.3.150.0600.05314.50
5.3.140.0700.04314.43
5.3.130.0600.05714.34
5.3.120.0670.05014.46
5.3.110.0630.05314.45
5.3.100.0700.04314.07
5.3.90.0600.05314.04
5.3.80.0630.05013.89
5.3.70.0630.05013.86
5.3.60.0730.04313.87
5.3.50.0630.05013.80
5.3.40.0730.04013.88
5.3.30.0670.04713.84
5.3.20.0670.04313.55
5.3.10.0670.04713.57
5.3.00.0530.05713.46
5.2.170.0600.03711.24
5.2.160.0530.03711.09
5.2.150.0500.04311.24
5.2.140.0330.04711.24
5.2.130.0400.04011.02
5.2.120.0400.04011.01
5.2.110.0370.04011.09
5.2.100.0370.04311.14
5.2.90.0600.04011.02
5.2.80.0530.04010.99
5.2.70.0600.04310.94
5.2.60.0570.03710.94
5.2.50.0530.04010.85
5.2.40.0530.03011.09
5.2.30.0470.03710.81
5.2.20.0470.05710.82
5.2.10.0430.03710.88
5.2.00.0430.04010.69
5.1.60.0500.0279.99
5.1.50.0430.03310.07
5.1.40.0400.0379.81
5.1.30.0430.03310.41
5.1.20.0430.04010.29
5.1.10.0400.0379.98
5.1.00.0570.03010.04
5.0.50.0170.0338.44
5.0.40.0270.0238.39
5.0.30.0170.0508.26
5.0.20.0230.0238.12
5.0.10.0230.0308.14
5.0.00.0170.0508.30
4.4.90.0230.0205.78
4.4.80.0200.0235.90
4.4.70.0200.0235.74
4.4.60.0230.0205.77
4.4.50.0270.0175.80
4.4.40.0230.0305.77
4.4.30.0230.0235.76
4.4.20.0200.0235.80
4.4.10.0230.0205.87
4.4.00.0270.0305.80
4.3.110.0200.0235.70
4.3.100.0200.0235.67
4.3.90.0200.0205.77
4.3.80.0170.0375.80
4.3.70.0200.0235.77
4.3.60.0170.0235.66
4.3.50.0270.0175.78
4.3.40.0330.0375.63
4.3.30.0130.0204.44
4.3.20.0130.0204.57
4.3.10.0100.0234.45
4.3.00.0100.0337.33

preferences:
54.35 ms | 400 KiB | 5 Q