3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __toString() { return null; } } $array = array(); $a = new A; $array[(string) $a] = $a; $array[(string) $a] = $a; var_dump($array);

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)
8.3.60.0140.00718.28
8.3.50.0140.00821.99
8.3.40.0080.00618.71
8.3.30.0070.00720.34
8.3.20.0000.00820.00
8.3.10.0030.00522.06
8.3.00.0050.00222.57
8.2.180.0130.00616.50
8.2.170.0090.00622.96
8.2.160.0000.01320.47
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0110.00426.16
8.2.120.0070.00719.54
8.2.110.0070.00322.30
8.2.100.0120.00019.32
8.2.90.0040.00419.21
8.2.80.0040.00419.31
8.2.70.0030.00617.61
8.2.60.0050.00318.03
8.2.50.0040.00418.07
8.2.40.0070.00018.20
8.2.30.0070.00318.10
8.2.20.0000.00817.76
8.2.10.0040.00417.72
8.2.00.0040.00417.72
8.1.280.0070.00725.92
8.1.270.0000.00824.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0080.00319.09
8.1.220.0000.00917.78
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00817.52
8.1.180.0060.00319.01
8.1.170.0040.00418.59
8.1.160.0000.00722.20
8.1.150.0020.00518.57
8.1.140.0030.00617.45
8.1.130.0070.00017.70
8.1.120.0000.00717.46
8.1.110.0040.00417.35
8.1.100.0050.00217.44
8.1.90.0080.00017.41
8.1.80.0030.00317.47
8.1.70.0000.00717.41
8.1.60.0060.00317.59
8.1.50.0000.00717.41
8.1.40.0000.00817.55
8.1.30.0040.00417.57
8.1.20.0040.00417.65
8.1.10.0000.00817.55
8.1.00.0000.00817.48
8.0.300.0060.00318.77
8.0.290.0070.00017.17
8.0.280.0030.00618.43
8.0.270.0040.00417.24
8.0.260.0000.00716.89
8.0.250.0000.00617.03
8.0.240.0030.00616.91
8.0.230.0030.00317.06
8.0.220.0000.00716.96
8.0.210.0070.00016.91
8.0.200.0050.00217.00
8.0.190.0040.00416.95
8.0.180.0030.00516.87
8.0.170.0000.00816.90
8.0.160.0000.00717.00
8.0.150.0040.00416.88
8.0.140.0000.00816.81
8.0.130.0050.00013.40
8.0.120.0030.00516.95
8.0.110.0000.00717.00
8.0.100.0000.00816.89
8.0.90.0070.00016.89
8.0.80.0160.00316.95
8.0.70.0040.00316.97
8.0.60.0000.00716.83
8.0.50.0080.00017.01
8.0.30.0080.01017.07
8.0.20.0100.00717.40
8.0.10.0040.00416.91
8.0.00.0090.01316.71
7.4.330.0030.00315.00
7.4.320.0060.00016.52
7.4.300.0000.00616.49
7.4.290.0030.00316.49
7.4.280.0030.00316.58
7.4.270.0070.00016.36
7.4.260.0090.00016.61
7.4.250.0070.00016.46
7.4.240.0030.00416.46
7.4.230.0070.00016.34
7.4.220.0060.01316.64
7.4.210.0080.00816.56
7.4.200.0000.00716.40
7.4.190.0000.00816.36
7.4.160.0130.00416.49
7.4.150.0060.01117.40
7.4.140.0080.00917.86
7.4.130.0100.00616.46
7.4.120.0070.00916.51
7.4.110.0070.01016.70
7.4.100.0070.01016.63
7.4.90.0110.01016.52
7.4.80.0100.01019.39
7.4.70.0100.00616.50
7.4.60.0120.00616.64
7.4.50.0040.00416.14
7.4.40.0140.00022.77
7.4.30.0110.01116.41
7.4.00.0040.01115.06
7.3.330.0030.00313.31
7.3.320.0000.00513.31
7.3.310.0030.00316.34
7.3.300.0040.00416.30
7.3.290.0090.00616.28
7.3.280.0090.00716.29
7.3.270.0130.00317.40
7.3.260.0140.00616.26
7.3.250.0100.00816.37
7.3.240.0100.00716.41
7.3.230.0060.01016.39
7.3.210.0130.00316.38
7.3.200.0100.00619.39
7.3.190.0100.00616.52
7.3.180.0090.00616.37
7.3.170.0080.00816.29
7.3.160.0000.01516.49
7.3.120.0030.01314.71
7.3.10.0020.01216.41
7.3.00.0030.00716.52
7.2.330.0070.01116.48
7.2.320.0130.00416.35
7.2.310.0070.01216.41
7.2.300.0030.01316.54
7.2.290.0090.01216.48
7.2.130.0060.00816.81
7.2.120.0020.00716.84
7.2.110.0090.00716.84
7.2.100.0080.00216.84
7.2.90.0040.00616.91
7.2.80.0110.00816.55
7.2.70.0070.00616.92
7.2.60.0080.00616.77
7.2.50.0040.00916.92
7.2.40.0090.00316.87
7.2.30.0050.00716.81
7.2.20.0050.00816.94
7.2.10.0020.01116.78
7.2.00.0070.00316.62
7.1.250.0020.01015.78
7.1.200.0070.00415.36
7.1.70.0070.00717.14
7.1.60.0070.01619.43
7.1.50.0130.01016.95
7.1.00.0030.06322.28
7.0.200.0040.00416.71
7.0.140.0000.07322.12
7.0.100.0170.06720.16
7.0.90.0170.08719.98
7.0.80.0100.07320.13
7.0.70.0300.03720.00
7.0.60.0070.08719.95
7.0.50.0100.08020.38
7.0.40.0030.08020.18
7.0.30.0030.08720.01
7.0.20.0030.04320.13
7.0.10.0070.06320.14
7.0.00.0170.05720.16
5.6.250.0030.08720.50
5.6.240.0130.07720.69
5.6.230.0200.08320.68
5.6.220.0100.08320.68
5.6.210.0100.07720.49
5.6.200.0070.08321.07
5.6.190.0130.06021.09
5.6.180.0000.07321.05
5.6.170.0130.07021.14
5.6.160.0070.04021.02
5.6.150.0130.08021.08
5.6.140.0070.04020.96
5.6.130.0130.08721.07
5.6.120.0000.09320.94
5.6.110.0030.05721.07
5.6.100.0130.06720.93
5.6.90.0070.07720.92
5.6.80.0030.03720.56
5.6.70.0030.07320.49
5.6.60.0070.08320.33
5.6.50.0100.07020.44
5.6.40.0170.05320.30
5.6.30.0100.08020.41
5.6.20.0030.08020.49
5.6.10.0100.04720.46
5.6.00.0100.07720.41
5.5.380.0070.08720.56
5.5.370.0030.06720.34
5.5.360.0030.05720.35
5.5.350.0130.04020.37
5.5.340.0070.08320.84
5.5.330.0070.04020.93
5.5.320.0100.08320.89
5.5.310.0100.05720.76
5.5.300.0030.07320.93
5.5.290.0030.06320.86
5.5.280.0070.07720.78
5.5.270.0000.08720.73
5.5.260.0100.06320.89
5.5.250.0030.08720.61
5.5.240.0100.07720.18
5.5.230.0030.05020.30
5.5.220.0000.09020.21
5.5.210.0070.03720.26
5.5.200.0030.04320.22
5.5.190.0100.07020.27
5.5.180.0030.03320.11
5.5.160.0070.08020.24
5.5.150.0070.06720.21
5.5.140.0100.07020.09
5.5.130.0070.07720.14
5.5.120.0030.08320.15
5.5.110.0130.07320.09
5.5.100.0130.07320.13
5.5.90.0030.08320.07
5.5.80.0000.07320.05
5.5.70.0000.08020.04
5.5.60.0000.05720.15
5.5.50.0070.08020.06
5.5.40.0070.07720.06
5.5.30.0070.05019.93
5.5.20.0000.08720.02
5.5.10.0070.03720.04
5.5.00.0030.04020.03
5.4.450.0030.03319.49
5.4.440.0030.07719.20
5.4.430.0070.07319.22
5.4.420.0000.06319.53
5.4.410.0100.06319.38
5.4.400.0070.07319.04
5.4.390.0100.07718.90
5.4.380.0100.06319.21
5.4.370.0030.07719.20
5.4.360.0130.07319.04
5.4.350.0100.07719.14
5.4.340.0100.07318.85
5.4.320.0070.07319.05
5.4.310.0030.06719.13
5.4.300.0070.07718.87
5.4.290.0070.07319.04
5.4.280.0070.07719.02
5.4.270.0070.07019.04
5.4.260.0100.07018.89
5.4.250.0100.06319.02
5.4.240.0100.07018.94
5.4.230.0100.03018.87
5.4.220.0130.07318.93
5.4.210.0100.07019.02
5.4.200.0000.08319.04
5.4.190.0070.06019.03
5.4.180.0030.08719.04
5.4.170.0030.04019.23
5.4.160.0070.03319.14
5.4.150.0000.03719.02
5.4.140.0030.03016.34
5.4.130.0070.03316.45
5.4.120.0030.03716.40
5.4.110.0030.03016.29
5.4.100.0030.04716.52
5.4.90.0000.04016.55
5.4.80.0000.03716.36
5.4.70.0000.04016.38
5.4.60.0000.03316.40
5.4.50.0030.03716.44
5.4.40.0100.03016.42
5.4.30.0000.03716.33
5.4.20.0100.03016.40
5.4.10.0100.03016.36
5.4.00.0000.04015.78
5.3.290.0100.07314.58
5.3.280.0130.06714.56
5.3.270.0000.03714.71
5.3.260.0070.03314.56
5.3.250.0070.03314.57
5.3.240.0030.03714.73
5.3.230.0130.03314.65
5.3.220.0130.02314.63
5.3.210.0000.04014.48
5.3.200.0100.03014.66
5.3.190.0030.04714.57
5.3.180.0000.04314.57
5.3.170.0000.03714.61
5.3.160.0000.04014.48
5.3.150.0030.03714.62
5.3.140.0100.03314.55
5.3.130.0030.03014.62
5.3.120.0030.04014.50
5.3.110.0070.03314.47
5.3.100.0000.03314.04
5.3.90.0070.03314.07
5.3.80.0030.03714.13
5.3.70.0000.04014.13
5.3.60.0000.04314.09
5.3.50.0030.03313.93
5.3.40.0070.07014.00
5.3.30.0030.03014.02
5.3.20.0000.03713.61
5.3.10.0030.02713.55
5.3.00.0000.04013.67
5.2.170.0000.03311.00
5.2.160.0070.02311.26
5.2.150.0070.02711.14
5.2.140.0000.03711.09
5.2.130.0000.02711.16
5.2.120.0000.04011.13
5.2.110.0070.02711.22
5.2.100.0000.02711.21
5.2.90.0030.02710.99
5.2.80.0000.02711.02
5.2.70.0000.03010.98
5.2.60.0070.04311.14
5.2.50.0000.03010.88
5.2.40.0000.03311.06
5.2.30.0030.04711.08
5.2.20.0070.02010.95
5.2.10.0030.03310.86
5.2.00.0000.02710.70
5.1.60.0070.05010.06
5.1.50.0000.0239.88
5.1.40.0000.05010.04
5.1.30.0070.03310.42
5.1.20.0000.03310.25
5.1.10.0000.06310.15
5.1.00.0000.05010.07
5.0.50.0070.0439.13
5.0.40.0070.0409.13
5.0.30.0100.0579.13
5.0.20.0000.0439.13
5.0.10.0170.0279.13
5.0.00.0030.0439.13
4.4.90.0000.0179.13
4.4.80.0070.0109.13
4.4.70.0000.0139.13
4.4.60.0030.0139.13
4.4.50.0000.0179.13
4.4.40.0000.0339.13
4.4.30.0000.0339.13
4.4.20.0030.0339.13
4.4.10.0070.0339.13
4.4.00.0030.0539.13
4.3.110.0000.0379.13
4.3.100.0030.0309.13
4.3.90.0070.0309.13
4.3.80.0000.0479.13
4.3.70.0030.0179.13
4.3.60.0030.0139.13
4.3.50.0030.0339.13
4.3.40.0000.0339.13
4.3.30.0000.0379.13
4.3.20.0000.0179.13
4.3.10.0000.0179.13
4.3.00.0030.0179.13

preferences:
44.43 ms | 401 KiB | 5 Q