3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = get_defined_vars(); $b = 1; $c = get_defined_vars(); var_dump(array_diff_assoc($a, $c));

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)
8.3.70.0130.01016.63
8.3.60.0130.00718.43
8.3.50.0130.00721.09
8.3.40.0040.01118.48
8.3.30.0110.00320.09
8.3.20.0080.00018.48
8.3.10.0030.00620.95
8.3.00.0040.00422.29
8.2.180.0100.01016.50
8.2.170.0100.00722.96
8.2.160.0100.00320.28
8.2.150.0070.00024.18
8.2.140.0070.00324.66
8.2.130.0070.00026.16
8.2.120.0070.00020.92
8.2.110.0060.00319.45
8.2.100.0080.00417.72
8.2.90.0030.00519.05
8.2.80.0050.00317.97
8.2.70.0050.00317.37
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0000.00918.09
8.2.30.0060.00319.42
8.2.20.0040.00417.64
8.2.10.0040.00417.67
8.2.00.0030.00517.66
8.1.280.0110.00425.92
8.1.270.0000.00723.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.37
8.1.230.0070.00420.85
8.1.220.0040.00418.77
8.1.210.0050.00518.77
8.1.200.0000.00917.10
8.1.190.0040.00417.53
8.1.180.0000.00918.10
8.1.170.0030.00618.57
8.1.160.0000.00718.81
8.1.150.0100.00018.49
8.1.140.0050.00217.37
8.1.130.0000.00717.81
8.1.120.0000.00717.38
8.1.110.0040.00417.30
8.1.100.0000.00717.41
8.1.90.0040.00417.42
8.1.80.0040.00417.34
8.1.70.0030.00317.37
8.1.60.0080.00017.49
8.1.50.0060.00317.45
8.1.40.0040.00417.39
8.1.30.0040.00417.47
8.1.20.0000.00817.61
8.1.10.0000.00817.52
8.1.00.0050.00217.36
8.0.300.0070.00019.95
8.0.290.0000.00717.05
8.0.280.0070.00018.38
8.0.270.0070.00017.19
8.0.260.0000.00616.87
8.0.250.0030.00316.82
8.0.240.0030.00516.98
8.0.230.0070.00016.91
8.0.220.0050.00216.95
8.0.210.0070.00016.77
8.0.200.0000.00616.98
8.0.190.0050.00216.90
8.0.180.0030.00316.93
8.0.170.0090.00016.82
8.0.160.0000.00716.82
8.0.150.0000.00816.77
8.0.140.0030.00716.90
8.0.130.0000.00513.33
8.0.120.0050.00316.88
8.0.110.0000.00816.73
8.0.100.0040.00416.83
8.0.90.0000.00816.70
8.0.80.0170.00316.85
8.0.70.0020.00516.88
8.0.60.0080.00016.95
8.0.50.0000.00716.77
8.0.30.0100.01316.96
8.0.20.0110.00817.40
8.0.10.0000.00716.85
8.0.00.0120.00616.75
7.4.330.0020.00216.71
7.4.320.0000.00616.50
7.4.300.0000.00616.28
7.4.290.0030.00316.44
7.4.280.0040.00416.43
7.4.270.0030.00316.48
7.4.260.0050.00013.21
7.4.250.0040.00416.51
7.4.240.0000.00716.42
7.4.230.0050.00216.34
7.4.220.0120.00916.44
7.4.210.0080.00916.56
7.4.200.0000.00716.23
7.4.190.0070.00016.66
7.4.160.0000.01616.59
7.4.150.0100.01017.40
7.4.140.0100.01917.86
7.4.130.0140.00416.42
7.4.120.0070.00916.38
7.4.110.0150.00316.30
7.4.100.0110.00516.38
7.4.90.0150.00816.39
7.4.80.0130.01019.39
7.4.70.0130.00316.52
7.4.60.0090.00916.41
7.4.50.0000.00716.47
7.4.40.0090.00622.77
7.4.30.0120.00916.36
7.4.00.0040.01414.82
7.3.330.0000.00513.08
7.3.320.0020.00213.03
7.3.310.0040.00416.06
7.3.300.0000.00616.14
7.3.290.0070.00716.04
7.3.280.0100.00716.20
7.3.270.0080.01217.40
7.3.260.0090.00918.24
7.3.250.0110.00916.34
7.3.240.0070.01016.41
7.3.230.0070.01016.39
7.3.210.0100.00616.17
7.3.200.0090.01019.39
7.3.190.0180.00316.28
7.3.180.0170.00316.39
7.3.170.0060.01216.41
7.3.160.0170.00016.09
7.3.120.0060.00914.94
7.2.330.0110.00716.56
7.2.320.0190.00416.26
7.2.310.0070.01416.56
7.2.300.0030.01316.29
7.2.290.0100.00616.44
7.2.60.0040.01216.84
7.2.00.0040.01119.00
7.1.200.0060.00615.89
7.1.100.0030.00718.18
7.1.70.0030.00317.19
7.1.60.0070.01719.17
7.1.50.0270.00734.40
7.1.00.0030.07722.40
7.0.200.0000.01016.83
7.0.140.0070.07022.00
7.0.70.0130.04720.02
7.0.60.0070.04719.95
7.0.50.0100.08720.38
7.0.40.0100.08320.11
7.0.30.0130.07320.13
7.0.20.0070.08020.16
7.0.10.0270.06320.07
7.0.00.0030.08720.18
5.6.280.0000.07721.09
5.6.220.0030.06720.67
5.6.210.0100.06320.64
5.6.200.0070.06021.13
5.6.190.0070.08721.02
5.6.180.0070.07721.03
5.6.170.0100.07320.95
5.6.160.0070.07721.08
5.6.150.0200.07021.00
5.6.140.0130.07720.95
5.6.130.0070.08720.92
5.6.120.0070.08321.10
5.6.110.0100.08021.06
5.6.100.0030.08720.97
5.6.90.0170.07720.99
5.6.80.0070.08320.32
5.6.70.0030.07720.40
5.6.60.0030.08020.42
5.6.50.0000.06720.33
5.6.40.0100.07720.42
5.6.30.0070.07020.30
5.6.20.0130.07020.41
5.6.10.0070.08020.41
5.6.00.0170.07720.35
5.5.360.0000.05020.33
5.5.350.0030.07320.45
5.5.340.0100.04020.90
5.5.330.0070.08720.92
5.5.320.0030.07020.89
5.5.310.0230.06320.89
5.5.300.0100.08320.89
5.5.290.0000.06320.91
5.5.280.0100.05720.91
5.5.270.0070.04320.88
5.5.260.0030.08720.88
5.5.250.0100.07720.70
5.5.240.0030.07720.26
5.5.230.0130.06720.16
5.5.220.0030.04720.27
5.5.210.0200.06320.29
5.5.200.0130.06020.10
5.5.190.0030.08020.07
5.5.180.0130.08020.20
5.5.160.0000.08320.16
5.5.150.0030.08720.15
5.5.140.0100.06720.17
5.5.130.0130.07720.27
5.5.120.0170.07020.23
5.5.110.0130.05719.94
5.5.100.0030.08020.06
5.5.90.0130.05020.16
5.5.80.0100.06719.94
5.5.70.0070.08019.93
5.5.60.0070.07720.13
5.5.50.0070.08020.04
5.5.40.0070.05720.04
5.5.30.0200.07320.00
5.5.20.0100.05019.98
5.5.10.0100.05020.11
5.5.00.0100.04020.00
5.4.450.0070.08019.42
5.4.440.0000.05319.38
5.4.430.0130.07719.44
5.4.420.0070.08019.30
5.4.410.0170.06719.32
5.4.400.0070.08018.82
5.4.390.0070.04018.81
5.4.380.0100.04718.96
5.4.370.0030.07318.82
5.4.360.0130.06318.94
5.4.350.0070.07019.05
5.4.340.0030.08019.05
5.4.320.0030.08018.90
5.4.310.0100.07718.90
5.4.300.0130.07319.12
5.4.290.0070.08319.02
5.4.280.0000.06018.80
5.4.270.0100.07719.09
5.4.260.0070.07718.94
5.4.250.0100.08019.02
5.4.240.0100.07319.20
5.4.230.0130.07319.06
5.4.220.0170.06018.96
5.4.210.0100.07019.09
5.4.200.0030.06018.95
5.4.190.0170.06718.89
5.4.180.0130.07019.13
5.4.170.0070.07718.93
5.4.160.0070.04019.12
5.4.150.0030.04018.76
5.4.140.0070.03316.27
5.4.130.0030.07316.32
5.4.120.0030.03716.27
5.4.110.0070.03316.22
5.4.100.0070.03716.32
5.4.90.0070.03316.32
5.4.80.0000.04016.20
5.4.70.0030.03316.25
5.4.60.0030.04016.43
5.4.50.0030.05716.22
5.4.40.0030.05016.29
5.4.30.0100.03016.40
5.4.20.0030.03716.40
5.4.10.0000.04016.21
5.4.00.0000.04015.62
5.3.290.0100.06714.57
5.3.280.0100.07314.59
5.3.270.0030.05714.59
5.3.260.0100.03014.54
5.3.250.0030.03714.45
5.3.240.0000.04014.46
5.3.230.0030.03714.59
5.3.220.0030.04014.53
5.3.210.0030.03714.47
5.3.200.0100.03014.55
5.3.190.0000.04014.40
5.3.180.0000.04314.54
5.3.170.0070.03714.55
5.3.160.0000.04014.57
5.3.150.0070.05714.46
5.3.140.0000.04014.41
5.3.130.0070.03314.51
5.3.120.0030.03714.53
5.3.110.0030.03714.46
5.3.100.0070.03714.03
5.3.90.0030.03713.97
5.3.80.0000.04013.77
5.3.70.0070.03313.96
5.3.60.0100.03013.99
5.3.50.0100.03013.92
5.3.40.0070.04713.79
5.3.30.0030.03713.76
5.3.20.0030.05313.45
5.3.10.0070.07713.59
5.3.00.0000.03713.59
5.2.170.0000.03312.51
5.2.160.0070.02712.51
5.2.150.0030.03012.51
5.2.140.0030.03012.51
5.2.130.0000.03312.51
5.2.120.0030.03012.51
5.2.110.0070.03312.51
5.2.100.0070.03012.51
5.2.90.0000.03012.51
5.2.80.0030.02712.51
5.2.70.0000.02712.51
5.2.60.0000.04312.51
5.2.50.0030.04012.51
5.2.40.0030.02712.51
5.2.30.0030.02712.51
5.2.20.0030.02712.51
5.2.10.0100.01712.51
5.2.00.0030.02712.51
5.1.60.0070.01712.51
5.1.50.0030.02712.51
5.1.40.0000.04012.51
5.1.30.0030.02012.51
5.1.20.0000.02312.51
5.1.10.0000.02712.51
5.1.00.0030.02312.51
5.0.50.0000.02012.51
5.0.40.0100.01012.51
5.0.30.0000.05012.51
5.0.20.0000.01712.51
5.0.10.0030.03712.51
5.0.00.0000.03012.51
4.4.90.0000.01712.51
4.4.80.0030.01312.51
4.4.70.0030.01312.51
4.4.60.0000.01312.51
4.4.50.0000.01712.51
4.4.40.0030.02312.51
4.4.30.0000.01712.51
4.4.20.0000.02312.51
4.4.10.0000.01312.51
4.4.00.0030.02312.51
4.3.110.0030.01312.51
4.3.100.0000.01312.51
4.3.90.0000.01312.51
4.3.80.0000.02312.51
4.3.70.0030.01012.51
4.3.60.0000.01312.51
4.3.50.0030.01312.51
4.3.40.0000.02312.51
4.3.30.0070.02012.51
4.3.20.0000.03012.51
4.3.10.0070.01712.51
4.3.00.0000.03012.51

preferences:
42.73 ms | 401 KiB | 5 Q