3v4l.org

run code in 300+ PHP versions simultaneously
<?php set_error_handler(function() { debug_backtrace(); }); function x($s) { $s['a'] = 1; }; $y = '1'; x($y); print_r($y);

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)
8.3.40.0140.00018.97
8.3.30.0070.00718.98
8.3.20.0080.00018.50
8.3.10.0040.00421.21
8.3.00.0040.00423.60
8.2.170.0110.00722.96
8.2.160.0000.01420.35
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0080.00019.36
8.2.110.0030.00620.24
8.2.100.0030.00917.91
8.2.90.0080.00018.97
8.2.80.0040.00417.97
8.2.70.0000.00917.63
8.2.60.0000.00818.04
8.2.50.0000.00818.07
8.2.40.0000.00718.22
8.2.30.0000.00819.85
8.2.20.0040.00417.70
8.2.10.0000.00717.86
8.2.00.0050.00517.65
8.1.270.0080.00022.10
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00920.69
8.1.230.0110.00020.90
8.1.220.0030.00618.77
8.1.210.0000.00718.96
8.1.200.0060.00317.48
8.1.190.0000.00717.63
8.1.180.0030.00718.10
8.1.170.0000.00818.64
8.1.160.0070.00018.83
8.1.150.0000.00718.65
8.1.140.0000.00817.52
8.1.130.0030.00317.84
8.1.120.0030.00317.45
8.1.110.0030.00517.45
8.1.100.0000.00817.35
8.1.90.0040.00417.43
8.1.80.0040.00317.37
8.1.70.0020.00517.41
8.1.60.0000.00817.61
8.1.50.0030.00617.43
8.1.40.0030.00617.56
8.1.30.0040.00417.62
8.1.20.0040.00417.61
8.1.10.0040.00417.49
8.1.00.0030.00617.45
8.0.300.0000.00719.98
8.0.290.0050.00317.18
8.0.280.0000.00718.54
8.0.270.0030.00317.26
8.0.260.0030.00316.80
8.0.250.0040.00416.94
8.0.240.0000.00816.91
8.0.230.0000.00717.01
8.0.220.0070.00016.86
8.0.210.0030.00417.01
8.0.200.0030.00317.02
8.0.190.0000.00717.01
8.0.180.0070.00016.83
8.0.170.0000.00817.02
8.0.160.0040.00416.91
8.0.150.0030.00516.95
8.0.140.0030.00616.88
8.0.130.0000.00513.34
8.0.120.0040.00416.81
8.0.110.0040.00416.82
8.0.100.0040.00416.99
8.0.90.0000.00716.99
8.0.80.0140.00317.01
8.0.70.0030.00516.85
8.0.60.0040.00416.90
8.0.50.0000.00717.01
8.0.30.0090.00917.13
8.0.20.0100.01217.40
8.0.10.0000.00717.03
8.0.00.0070.01316.96
7.4.330.0000.00514.64
7.4.320.0000.00616.52
7.4.300.0030.00316.48
7.4.290.0030.00316.62
7.4.280.0000.00716.54
7.4.270.0040.00416.61
7.4.260.0030.00313.20
7.4.250.0100.00016.48
7.4.240.0000.00716.59
7.4.230.0070.00016.68
7.4.220.0080.00916.53
7.4.210.0090.00616.53
7.4.200.0000.00716.58
7.4.190.0030.00316.73
7.4.160.0090.00916.46
7.4.150.0060.01117.40
7.4.140.0080.01117.86
7.4.130.0040.01216.40
7.4.120.0150.00116.60
7.4.110.0120.00816.72
7.4.100.0150.00616.56
7.4.90.0100.01316.66
7.4.80.0070.01419.37
7.4.70.0040.01116.48
7.4.60.0080.01216.53
7.4.50.0040.00416.41
7.4.40.0120.00622.27
7.4.30.0040.01916.68
7.4.00.0080.00815.21
7.3.330.0060.00013.22
7.3.320.0030.00313.21
7.3.310.0030.00316.37
7.3.300.0000.00616.39
7.3.290.0180.00316.43
7.3.280.0080.01016.35
7.3.270.0120.00617.40
7.3.260.0060.01318.24
7.3.250.0100.00716.34
7.3.240.0100.01316.52
7.3.230.0100.00716.57
7.3.210.0070.01116.55
7.3.200.0070.01019.39
7.3.190.0110.00616.43
7.3.180.0070.01016.37
7.3.170.0080.01216.45
7.3.160.0030.01216.41
7.3.120.0040.01415.05
7.3.10.0030.01316.36
7.3.00.0000.01516.79
7.2.330.0070.01016.69
7.2.320.0130.01016.60
7.2.310.0070.01016.55
7.2.300.0120.00616.61
7.2.290.0130.00616.63
7.2.130.0060.00316.91
7.2.120.0000.01516.62
7.2.110.0050.00316.93
7.2.100.0030.00916.55
7.2.90.0060.00616.94
7.2.80.0030.00716.88
7.2.70.0070.00316.54
7.2.60.0030.00817.00
7.2.50.0030.00816.90
7.2.40.0070.00716.72
7.2.30.0070.00716.63
7.2.20.0030.00616.91
7.2.10.0060.00916.95
7.2.00.0030.00616.79
7.1.250.0070.00415.84
7.1.200.0080.00315.83
7.1.70.0160.00317.21
7.1.60.0070.00717.21
7.1.50.0100.01016.79
7.1.00.0000.07722.31
7.0.200.0070.00316.82
7.0.140.0130.06321.95
7.0.70.0070.05321.72
7.0.60.0030.08321.75
7.0.50.0000.08322.03
7.0.40.0000.07020.13
7.0.30.0000.06320.05
7.0.20.0070.06720.14
7.0.10.0070.06019.95
7.0.00.0030.05020.13
5.6.280.0100.06321.10
5.6.220.0100.06720.49
5.6.210.0100.07320.43
5.6.200.0000.08321.06
5.6.190.0100.07321.01
5.6.180.0000.07720.94
5.6.170.0130.06320.94
5.6.160.0030.08321.14
5.6.150.0070.04721.11
5.6.140.0030.07321.17
5.6.130.0030.07020.95
5.6.120.0100.07021.14
5.6.110.0070.08021.02
5.6.100.0070.07321.16
5.6.90.0030.08021.11
5.6.80.0000.07320.39
5.6.70.0000.07720.55
5.6.60.0070.07720.31
5.6.50.0030.08320.50
5.6.40.0100.06720.38
5.6.30.0000.06020.32
5.6.20.0030.07720.39
5.6.10.0070.08020.39
5.6.00.0030.09320.30
5.5.360.0130.06320.50
5.5.350.0000.05720.44
5.5.340.0100.07720.89
5.5.330.0100.07720.92
5.5.320.0030.05020.92
5.5.310.0100.05320.86
5.5.300.0030.04320.80
5.5.290.0070.08020.89
5.5.280.0000.05020.92
5.5.270.0030.05320.84
5.5.260.0030.08320.82
5.5.250.0030.08020.74
5.5.240.0100.06020.25
5.5.230.0000.05320.28
5.5.220.0030.04020.10
5.5.210.0070.07320.31
5.5.200.0070.08320.24
5.5.190.0070.08320.13
5.5.180.0030.08020.18
5.5.160.0030.07320.28
5.5.150.0000.08720.12
5.5.140.0070.05720.27
5.5.130.0070.07720.12
5.5.120.0030.07720.10
5.5.110.0070.07020.12
5.5.100.0030.06320.05
5.5.90.0030.04320.07
5.5.80.0100.07319.98
5.5.70.0000.08020.06
5.5.60.0130.05320.16
5.5.50.0000.08020.00
5.5.40.0130.07020.12
5.5.30.0030.08019.96
5.5.20.0030.08020.04
5.5.10.0100.05720.11
5.5.00.0100.07720.00
5.4.450.0030.05319.45
5.4.440.0030.08019.15
5.4.430.0100.07019.47
5.4.420.0000.06719.53
5.4.410.0000.08319.33
5.4.400.0070.03719.04
5.4.390.0030.08318.95
5.4.380.0030.04719.05
5.4.370.0000.07719.21
5.4.360.0130.07019.03
5.4.350.0030.05319.16
5.4.340.0030.07319.12
5.4.320.0030.08019.13
5.4.310.0030.07018.88
5.4.300.0030.05718.94
5.4.290.0030.07319.18
5.4.280.0000.08018.84
5.4.270.0030.07319.09
5.4.260.0070.07319.16
5.4.250.0070.06718.94
5.4.240.0070.06319.22
5.4.230.0170.06719.13
5.4.220.0070.08019.15
5.4.210.0030.08018.90
5.4.200.0230.06019.11
5.4.190.0000.08019.04
5.4.180.0030.07019.21
5.4.170.0100.06319.02
5.4.160.0070.06719.13
5.4.150.0000.07719.11
5.4.140.0030.06716.39
5.4.130.0000.07316.36
5.4.120.0000.07316.38
5.4.110.0030.06316.34
5.4.100.0000.06016.34
5.4.90.0070.06316.45
5.4.80.0030.06716.32
5.4.70.0000.05716.43
5.4.60.0070.07016.45
5.4.50.0030.07016.30
5.4.40.0070.06316.23
5.4.30.0000.07016.37
5.4.20.0000.07016.20
5.4.10.0070.07316.40
5.4.00.0030.06715.66
5.3.290.0030.07714.77
5.3.280.0000.05014.67
5.3.270.0070.07714.63
5.3.260.0000.07714.57
5.3.250.0030.07714.54
5.3.240.0030.07314.63
5.3.230.0000.07014.53
5.3.220.0100.07014.66
5.3.210.0070.07314.64
5.3.200.0070.07014.52
5.3.190.0070.07714.71
5.3.180.0070.07714.61
5.3.170.0030.06314.64
5.3.160.0030.07714.52
5.3.150.0100.07014.57
5.3.140.0000.08014.54
5.3.130.0070.08014.54
5.3.120.0000.08014.69
5.3.110.0000.08014.47
5.3.100.0000.08314.16
5.3.90.0070.07014.04
5.3.80.0030.07714.08
5.3.70.0100.05714.11
5.3.60.0030.07714.14
5.3.50.0000.04713.95
5.3.40.0170.06714.01
5.3.30.0070.03714.02
5.3.20.0030.07313.60
5.3.10.0030.07013.68
5.3.00.0000.07713.64
5.2.170.0000.06312.20
5.2.160.0030.05012.20
5.2.150.0000.05312.20
5.2.140.0000.05012.20
5.2.130.0000.04012.20
5.2.120.0030.06012.20
5.2.110.0000.04312.20
5.2.100.0070.04712.20
5.2.90.0000.06312.20
5.2.80.0030.06012.20
5.2.70.0000.04712.20
5.2.60.0000.05312.20
5.2.50.0030.05312.20
5.2.40.0070.05712.20
5.2.30.0030.06012.20
5.2.20.0070.05712.20
5.2.10.0070.05012.20
5.2.00.0000.06312.20
5.1.60.0100.04712.20
5.1.50.0000.05712.20
5.1.40.0070.05312.20
5.1.30.0030.06012.20
5.1.20.0030.05712.20
5.1.10.0070.04312.20
5.1.00.0070.05012.20
5.0.50.0000.04712.20
5.0.40.0000.02012.20
5.0.30.0000.03012.20
5.0.20.0000.02012.20
5.0.10.0030.01712.20
5.0.00.0000.03012.20
4.4.90.0000.03712.20
4.4.80.0000.03712.20
4.4.70.0000.03712.20
4.4.60.0030.01712.20
4.4.50.0000.03312.20
4.4.40.0030.04312.20
4.4.30.0030.03712.20
4.4.20.0030.02312.20
4.4.10.0030.03012.20
4.4.00.0000.05312.20
4.3.110.0030.01312.20
4.3.100.0030.01312.20
4.3.90.0000.01312.20
4.3.80.0000.02712.20
4.3.70.0030.01312.20
4.3.60.0000.01312.20
4.3.50.0000.01312.20
4.3.40.0000.02312.20
4.3.30.0000.01312.20
4.3.20.0000.02012.20
4.3.10.0000.02012.20
4.3.00.0000.01712.20

preferences:
50.14 ms | 400 KiB | 5 Q