3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { return array_flip(['e','b','d']); } var_dump(a()['r'] ?? null);

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)
8.3.60.0070.00716.24
8.3.50.0120.00721.19
8.3.40.0070.00718.49
8.3.30.0070.00718.72
8.3.20.0050.00320.33
8.3.10.0040.00421.85
8.3.00.0000.00723.53
8.2.180.0140.00718.17
8.2.170.0180.00022.96
8.2.160.0120.00320.43
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00019.77
8.2.120.0040.00426.35
8.2.110.0090.00022.16
8.2.100.0120.00017.80
8.2.90.0040.00419.03
8.2.80.0050.00317.97
8.2.70.0030.00617.50
8.2.60.0000.00717.91
8.2.50.0000.00818.07
8.2.40.0080.00022.26
8.2.30.0000.00719.29
8.2.20.0070.00017.67
8.2.10.0060.00317.90
8.2.00.0040.00417.87
8.1.280.0100.00725.92
8.1.270.0130.00323.82
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00322.02
8.1.230.0000.01119.14
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0000.00917.10
8.1.190.0050.00317.23
8.1.180.0080.00018.10
8.1.170.0000.00818.46
8.1.160.0030.00320.52
8.1.150.0000.00718.80
8.1.140.0060.00319.37
8.1.130.0000.00717.59
8.1.120.0000.00717.40
8.1.110.0000.00817.30
8.1.100.0070.00017.21
8.1.90.0000.00817.32
8.1.80.0040.00417.26
8.1.70.0030.00317.35
8.1.60.0040.00417.54
8.1.50.0090.00017.44
8.1.40.0040.00417.48
8.1.30.0050.00317.63
8.1.20.0020.00517.58
8.1.10.0080.00017.43
8.1.00.0000.00817.43
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0050.00318.34
8.0.270.0000.00717.04
8.0.260.0000.00617.12
8.0.250.0000.00716.76
8.0.240.0040.00416.88
8.0.230.0040.00416.81
8.0.220.0030.00316.74
8.0.210.0030.00516.81
8.0.200.0060.00016.78
8.0.190.0060.00316.80
8.0.180.0040.00416.68
8.0.170.0050.00316.80
8.0.160.0030.00516.77
8.0.150.0000.00716.64
8.0.140.0030.00316.63
8.0.130.0030.00313.13
8.0.120.0000.00816.72
8.0.110.0000.00716.82
8.0.100.0050.00216.56
8.0.90.0000.00716.77
8.0.80.0140.00416.76
8.0.70.0000.00816.62
8.0.60.0020.00516.75
8.0.50.0070.00016.65
8.0.30.0110.00817.13
8.0.20.0140.01017.40
8.0.10.0030.00616.88
8.0.00.0140.00716.55
7.4.330.0050.00016.75
7.4.320.0040.00416.25
7.4.300.0030.00316.39
7.4.290.0000.00716.44
7.4.280.0030.00616.42
7.4.270.0000.00616.46
7.4.260.0000.00816.42
7.4.250.0000.00716.51
7.4.240.0020.00516.54
7.4.230.0030.00316.61
7.4.220.0070.01716.56
7.4.210.0070.01016.51
7.4.200.0030.00316.28
7.4.160.0040.01216.31
7.4.150.0120.00617.40
7.4.140.0080.01017.86
7.4.130.0060.01716.51
7.4.120.0090.00916.44
7.4.110.0040.01316.32
7.4.100.0070.01016.53
7.4.90.0060.01316.53
7.4.80.0080.00919.39
7.4.70.0070.01016.27
7.4.60.0060.01016.36
7.4.50.0040.01116.04
7.4.40.0160.00316.61
7.4.30.0160.00016.39
7.4.00.0090.00915.11
7.3.330.0000.00713.36
7.3.320.0000.00513.20
7.3.310.0000.00716.24
7.3.300.0030.00316.34
7.3.290.0050.00216.31
7.3.280.0120.00416.25
7.3.270.0030.02017.40
7.3.260.0090.00916.52
7.3.250.0150.00416.38
7.3.240.0080.01016.52
7.3.230.0140.00416.41
7.3.210.0060.01016.22
7.3.200.0080.01319.39
7.3.190.0070.01116.46
7.3.180.0060.00916.35
7.3.170.0090.00916.27
7.3.160.0100.00716.39
7.3.120.0100.00714.72
7.3.110.0100.01014.99
7.3.100.0120.00615.07
7.3.90.0090.00914.90
7.3.80.0090.00614.90
7.3.70.0060.00714.64
7.3.60.0070.00714.76
7.3.50.0030.01114.48
7.3.40.0030.00614.83
7.3.30.0060.01214.79
7.3.20.0060.00916.73
7.3.10.0040.01416.59
7.3.00.0050.00516.61
7.2.330.0100.00716.18
7.2.320.0140.00816.45
7.2.310.0070.01016.63
7.2.300.0130.00316.47
7.2.290.0030.01216.60
7.2.250.0060.01015.03
7.2.240.0100.01015.10
7.2.230.0070.01315.11
7.2.220.0100.00314.89
7.2.210.0040.01414.64
7.2.200.0030.01015.06
7.2.190.0070.01114.64
7.2.180.0070.00714.99
7.2.170.0040.00714.92
7.2.60.0000.01516.59
7.2.00.0070.00719.32
7.1.330.0100.00615.70
7.1.320.0130.00015.70
7.1.310.0120.00415.70
7.1.300.0030.00715.57
7.1.290.0040.00815.75
7.1.280.0030.01315.52
7.1.270.0060.01215.78
7.1.260.0130.01315.46
7.1.200.0070.00715.48
7.1.100.0180.00817.71
7.1.70.0080.00017.00
7.1.60.0110.01119.27
7.1.50.0030.01816.97
7.1.00.0030.07722.30
7.0.200.0000.01116.50
7.0.60.0170.07321.81
7.0.50.0030.08017.88
7.0.40.0000.09020.23
7.0.30.0230.04720.23
7.0.20.0200.04320.20
7.0.10.0130.07720.16
7.0.00.0100.07020.24
5.6.280.0000.03721.11
5.6.210.0070.06720.52
5.6.200.0100.03718.27
5.6.190.0070.09020.61
5.6.180.0470.06720.47
5.6.170.0370.06320.51
5.6.160.0070.05020.71
5.6.150.0070.08318.20
5.6.140.0030.04718.30
5.6.130.0170.07318.15
5.6.120.0030.06021.02
5.6.110.0130.05721.04
5.6.100.0030.09321.02
5.6.90.0030.08021.13
5.6.80.0070.05720.39
5.5.350.0070.06020.37
5.5.340.0130.07317.99
5.5.330.0100.08020.37
5.5.320.0570.06720.35
5.5.310.0270.07020.36
5.5.300.0000.04318.05
5.5.290.0070.07717.98
5.5.280.0100.08020.80
5.5.270.0070.05720.77
5.5.260.0070.07720.86
5.5.250.0030.07720.58
5.5.240.0070.03320.29

preferences:
68.37 ms | 401 KiB | 5 Q