3v4l.org

run code in 300+ PHP versions simultaneously
<? $a = 'tst'; $b = array ( $a => 'value'; ); $a = 'bnb'; echo $b['tst']; ?>

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)
8.3.60.0100.00318.31
8.3.50.0080.00822.77
8.3.40.0070.01118.71
8.3.30.0070.00718.77
8.3.20.0070.00020.29
8.3.10.0080.00023.48
8.3.00.0080.00019.26
8.2.180.0090.00616.32
8.2.170.0110.00422.96
8.2.160.0120.00320.52
8.2.150.0070.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00226.16
8.2.120.0040.00421.16
8.2.110.0080.00020.11
8.2.100.0040.00818.09
8.2.90.0040.00419.07
8.2.80.0080.00017.97
8.2.70.0000.00817.38
8.2.60.0060.00317.80
8.2.50.0050.00518.07
8.2.40.0040.00418.18
8.2.30.0000.00718.03
8.2.20.0040.00417.57
8.2.10.0020.00517.92
8.2.00.0000.01117.57
8.1.280.0110.00725.92
8.1.270.0070.00023.96
8.1.260.0100.01026.35
8.1.250.0120.00628.09
8.1.240.0060.00323.96
8.1.230.0070.00318.95
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0040.00417.11
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0060.00318.59
8.1.160.0000.00721.90
8.1.150.0020.00518.72
8.1.140.0000.00717.34
8.1.130.0030.00317.74
8.1.120.0000.00717.37
8.1.110.0040.00417.30
8.1.100.0040.00417.30
8.1.90.0000.00717.25
8.1.80.0000.00717.32
8.1.70.0030.00517.29
8.1.60.0070.00417.32
8.1.50.0040.00417.27
8.1.40.0040.00417.24
8.1.30.0050.00317.36
8.1.20.0000.00817.55
8.1.10.0040.00417.32
8.1.00.0040.00417.27
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0030.00318.30
8.0.270.0000.00717.08
8.0.260.0000.00617.17
8.0.250.0040.00416.78
8.0.240.0040.00416.71
8.0.230.0060.00316.83
8.0.220.0070.00016.75
8.0.210.0000.00716.73
8.0.200.0040.00416.83
8.0.190.0070.00016.84
8.0.180.0000.00716.85
8.0.170.0000.00716.64
8.0.160.0040.00416.80
8.0.150.0000.00716.70
8.0.140.0030.00316.63
8.0.130.0050.00013.34
8.0.120.0080.00016.73
8.0.110.0000.00816.66
8.0.100.0050.00316.66
8.0.90.0050.00216.78
8.0.80.0090.00616.80
8.0.70.0070.00016.65
8.0.60.0000.00816.63
8.0.50.0040.00416.77
8.0.30.0150.00817.14
8.0.20.0060.01217.40
8.0.10.0040.00416.85
8.0.00.0080.01016.54
7.4.330.0030.00315.10
7.4.320.0030.00316.43
7.4.300.0030.00316.46
7.4.290.0030.00316.37
7.4.280.0040.00416.38
7.4.270.0080.00416.38
7.4.260.0030.00316.36
7.4.250.0040.00416.22
7.4.240.0040.00316.38
7.4.230.0030.00316.44
7.4.220.0090.00916.54
7.4.210.0040.01016.35
7.4.200.0030.00316.35
7.4.160.0100.01016.32
7.4.150.0090.01217.40
7.4.140.0110.00817.86
7.4.130.0090.00916.31
7.4.120.0050.01416.41
7.4.110.0140.01616.36
7.4.100.0070.01116.39
7.4.90.0060.01016.34
7.4.80.0150.00319.39
7.4.70.0130.00316.31
7.4.60.0030.01216.27
7.4.50.0050.00316.27
7.4.40.0160.00016.09
7.4.30.0090.00616.19
7.3.330.0000.00613.21
7.3.320.0060.00012.95
7.3.310.0000.00716.17
7.3.300.0060.00016.12
7.3.290.0000.02016.16
7.3.280.0080.00816.14
7.3.270.0140.00617.40
7.3.260.0080.01016.21
7.3.250.0120.00816.07
7.3.240.0100.00716.21
7.3.230.0030.01416.39
7.3.210.0180.00416.05
7.3.200.0030.01319.39
7.3.190.0180.00016.51
7.3.180.0080.00816.21
7.3.170.0040.01116.30
7.3.160.0100.00616.14
7.2.330.0100.00716.33
7.2.320.0100.00716.63
7.2.310.0100.00716.61
7.2.300.0120.01216.66
7.2.290.0160.00616.62
5.4.320.0080.03312.45
5.4.310.0120.03012.45
5.4.300.0050.03612.45
5.4.290.0100.03612.45
5.4.280.0070.03512.35
5.4.270.0050.03612.35
5.4.260.0070.03512.34
5.4.250.0050.03812.35
5.4.240.0050.03912.35
5.4.230.0040.04212.34
5.4.220.0060.03912.34
5.4.210.0080.03112.34
5.4.200.0070.03612.33
5.4.190.0040.03912.34
5.4.180.0040.04512.33
5.4.170.0050.03612.34
5.4.160.0080.03312.34
5.4.150.0100.03112.34
5.4.140.0050.03812.02
5.4.130.0050.03612.01
5.4.120.0070.03311.97
5.4.110.0070.03411.96
5.4.100.0030.03711.96
5.4.90.0060.03611.96
5.4.80.0040.03811.96
5.4.70.0070.03211.96
5.4.60.0080.03211.96
5.4.50.0060.03411.96
5.4.40.0060.03411.95
5.4.30.0060.03511.95
5.4.20.0080.03211.95
5.4.10.0040.03511.95
5.4.00.0070.04411.43

preferences:
46.51 ms | 401 KiB | 5 Q