3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = 'hai'; $bar = &$foo; $gah = &$bar; for($i=0; $i<100; $i++) debug_zval_dump($bar);

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)
8.3.60.0160.00616.63
8.3.50.0200.00916.28
8.3.40.0060.00918.63
8.3.30.0040.01518.46
8.3.20.0030.00518.53
8.3.10.0000.00820.46
8.3.00.0040.00419.14
8.2.180.0090.01216.63
8.2.170.0150.00022.96
8.2.160.0140.00320.38
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00019.83
8.2.110.0030.00721.10
8.2.100.0130.00017.72
8.2.90.0000.00919.21
8.2.80.0040.00419.23
8.2.70.0080.00017.48
8.2.60.0080.00018.04
8.2.50.0040.00418.07
8.2.40.0000.00718.22
8.2.30.0000.00818.00
8.2.20.0040.00417.49
8.2.10.0040.00417.58
8.2.00.0040.00417.54
8.1.280.0190.00325.92
8.1.270.0040.00424.66
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0100.00022.33
8.1.230.0110.00020.89
8.1.220.0040.00417.74
8.1.210.0050.00518.85
8.1.200.0080.00017.10
8.1.190.0000.00717.41
8.1.180.0000.00818.10
8.1.170.0030.00518.79
8.1.160.0000.00718.80
8.1.150.0000.00818.57
8.1.140.0000.01117.42
8.1.130.0030.00317.68
8.1.120.0040.00417.39
8.1.110.0040.00417.30
8.1.100.0040.00417.44
8.1.90.0040.00417.37
8.1.80.0050.00217.27
8.1.70.0000.00717.38
8.1.60.0030.00617.51
8.1.50.0030.00517.35
8.1.40.0090.00017.42
8.1.30.0040.00417.54
8.1.20.0050.00517.61
8.1.10.0040.00417.41
8.1.00.0000.00717.35
8.0.300.0040.00419.89
8.0.290.0040.00416.63
8.0.280.0050.00318.38
8.0.270.0080.00017.10
8.0.260.0050.00318.38
8.0.250.0050.00316.73
8.0.240.0050.00216.77
8.0.230.0040.00416.92
8.0.220.0000.00716.79
8.0.210.0000.00716.80
8.0.200.0030.00516.77
8.0.190.0030.00616.73
8.0.180.0000.00816.79
8.0.170.0090.00016.82
8.0.160.0000.00716.81
8.0.150.0040.00416.82
8.0.140.0030.00816.77
8.0.130.0030.00313.32
8.0.120.0040.00416.80
8.0.110.0000.00716.68
8.0.100.0000.00816.66
8.0.90.0040.00416.68
8.0.80.0070.00716.74
8.0.70.0000.00716.64
8.0.60.0030.00516.68
8.0.50.0040.00416.82
8.0.30.0160.00916.97
8.0.20.0070.01316.96
8.0.10.0040.00416.99
8.0.00.0130.00816.75
7.4.330.0030.00312.93
7.4.320.0030.00316.32
7.4.300.0030.00316.41
7.4.290.0000.00716.51
7.4.280.0030.00616.55
7.4.270.0040.00416.33
7.4.260.0030.00313.14
7.4.250.0090.00016.52
7.4.240.0000.00716.50
7.4.230.0030.00316.60
7.4.220.0120.00616.62
7.4.210.0080.00616.50
7.4.200.0030.00316.54
7.4.190.0030.00316.59
7.4.160.0140.00716.51
7.4.150.0090.00916.27
7.4.140.0120.01116.45
7.4.130.0070.01216.35
7.4.120.0140.00316.28
7.4.110.0180.00416.51
7.4.100.0120.01516.32
7.4.90.0150.00716.33
7.4.80.0130.01016.30
7.4.70.0110.00816.29
7.4.60.0090.00916.46
7.4.50.0040.00416.51
7.4.40.0080.00516.39
7.4.30.0100.00716.30
7.4.00.0060.01014.74
7.3.330.0030.00313.24
7.3.320.0050.00013.10
7.3.310.0030.00316.26
7.3.300.0000.00716.24
7.3.290.0130.00316.23
7.3.280.0140.00716.23
7.3.270.0120.00916.51
7.3.260.0090.01016.19
7.3.250.0160.00816.32
7.3.240.0130.00616.57
7.3.230.0090.01216.35
7.3.210.0090.00916.40
7.3.200.0100.01019.39
7.3.190.0040.01516.56
7.3.180.0100.00716.30
7.3.170.0120.00916.45
7.3.160.0090.00916.25
7.3.120.0070.00715.01
7.3.10.0090.00316.49
7.3.00.0050.00816.44
7.2.330.0150.00316.40
7.2.320.0080.01116.61
7.2.310.0060.01916.22
7.2.300.0070.01516.55
7.2.290.0120.00616.66
7.2.130.0090.00416.70
7.2.120.0040.01016.75
7.2.110.0070.00716.76
7.2.100.0070.00516.83
7.2.90.0070.00716.77
7.2.80.0040.00916.94
7.2.70.0060.00716.90
7.2.60.0070.00716.88
7.2.50.0040.00716.80
7.2.40.0060.00716.79
7.2.30.0070.00516.86
7.2.20.0080.00516.79
7.2.10.0050.00716.61
7.2.00.0030.01117.49
7.1.250.0040.00715.74
7.1.200.0090.00315.73
7.1.100.0070.00718.05
7.1.70.0040.00417.28
7.1.60.0150.00619.40
7.1.50.0070.01716.84
7.1.00.0030.03322.31
7.0.200.0000.01016.79
7.0.140.0100.07021.93
7.0.120.0100.06722.13
7.0.60.0030.08721.73
7.0.50.0070.06317.83
7.0.40.0070.05020.20
7.0.30.0330.07320.11
7.0.20.0370.07720.02
7.0.10.0030.08720.20
7.0.00.0070.04320.00
5.6.280.0000.07320.81
5.6.210.0100.07020.72
5.6.200.0030.04318.11
5.6.190.0070.08320.77
5.6.180.0130.04720.43
5.6.170.0470.06020.52
5.6.160.0070.06320.48
5.6.150.0070.07718.12
5.6.140.0070.04718.16
5.6.130.0030.04018.21
5.6.120.0030.04021.09
5.6.110.0130.06320.98
5.6.100.0030.04320.99
5.6.90.0130.03720.96
5.6.80.0070.08020.52
5.5.350.0100.07320.39
5.5.340.0170.06718.02
5.5.330.0030.04020.19
5.5.320.0600.06320.30
5.5.310.0200.08020.33
5.5.300.0070.06017.92
5.5.290.0000.06317.89
5.5.280.0170.05720.97
5.5.270.0130.07720.92
5.5.260.0100.08020.64
5.5.250.0170.03020.70
5.5.240.0200.07720.26
5.4.450.0170.06719.45
5.4.440.0070.07319.41
5.4.430.0070.04019.39
5.4.420.0030.05019.24
5.4.410.0000.05319.31
5.4.400.0070.03719.18
5.4.390.0100.07319.18
5.4.380.0100.06319.14
5.4.370.0100.03319.08
5.4.360.0100.03318.79
5.4.350.0100.06718.92
5.4.340.0170.05719.16
5.4.320.0070.08319.12
5.4.310.0130.06319.18
5.4.300.0030.07719.11
5.4.290.0030.05018.78
5.4.280.0000.06319.07
5.4.270.0100.06719.08
5.4.260.0000.04318.78
5.4.250.0000.04719.17
5.4.240.0030.07319.07
5.4.230.0030.07719.11
5.4.220.0030.07319.09
5.4.210.0100.07318.78
5.4.200.0070.04318.91
5.4.190.0030.03718.90
5.4.180.0070.03319.04
5.4.170.0100.04318.99
5.4.160.0030.05319.09
5.4.150.0100.07018.76
5.4.140.0100.04316.44
5.4.130.0000.04316.26
5.4.120.0100.03016.37
5.4.110.0100.03316.32
5.4.100.0100.07016.41
5.4.90.0030.08016.25
5.4.80.0100.06716.22
5.4.70.0130.04016.35
5.4.60.0100.05016.21
5.4.50.0100.04316.29
5.4.40.0070.04016.34
5.4.30.0000.05016.32
5.4.20.0100.05716.27
5.4.10.0030.07016.29
5.4.00.0070.04715.75
5.3.290.0100.06714.61
5.3.280.0000.06314.56
5.3.270.0070.04014.54
5.3.260.0070.05714.56
5.3.250.0100.07014.56
5.3.240.0030.04014.59
5.3.230.0070.04314.41
5.3.220.0000.04314.48
5.3.210.0000.07714.54
5.3.200.0070.04314.49
5.3.190.0070.03714.65
5.3.180.0000.04014.54
5.3.170.0000.06014.52
5.3.160.0070.07014.48
5.3.150.0030.05014.35
5.3.140.0100.04714.47
5.3.130.0170.05714.47
5.3.120.0000.05714.46
5.3.110.0070.07314.49
5.3.100.0030.07713.91
5.3.90.0100.04013.96
5.3.80.0100.06713.99
5.3.70.0070.04013.83
5.3.60.0070.03313.98
5.3.50.0030.05313.73
5.3.40.0000.08713.91
5.3.30.0030.06713.83
5.3.20.0000.05013.78
5.3.10.0070.03313.47
5.3.00.0030.05013.56
5.2.170.0100.04311.07
5.2.160.0070.06311.12
5.2.150.0100.04311.09
5.2.140.0070.06011.11
5.2.130.0030.03711.09
5.2.120.0100.02710.96
5.2.110.0170.05310.99
5.2.100.0100.04011.03
5.2.90.0030.04311.00
5.2.80.0070.04311.07
5.2.70.0000.04011.07
5.2.60.0030.06310.94
5.2.50.0000.06310.84
5.2.40.0030.04310.89
5.2.30.0000.06710.94
5.2.20.0070.05010.91
5.2.10.0070.05010.75
5.2.00.0100.04310.56
5.1.60.0000.0509.96
5.1.50.0000.0579.91
5.1.40.0030.0309.87
5.1.30.0030.05010.34
5.1.20.0030.02710.52
5.1.10.0070.05710.03
5.1.00.0000.04010.04
5.0.50.0030.0438.58
5.0.40.0030.0378.58
5.0.30.0000.0338.58
5.0.20.0070.0178.58
5.0.10.0070.0378.58
5.0.00.0000.0638.58
4.4.90.0030.0308.58
4.4.80.0070.0178.58
4.4.70.0000.0338.58
4.4.60.0000.0408.58
4.4.50.0030.0278.58
4.4.40.0000.0278.58
4.4.30.0000.0378.58
4.4.20.0000.0178.58
4.4.10.0130.0108.58
4.4.00.0000.0378.58
4.3.110.0030.0278.58
4.3.100.0030.0178.58
4.3.90.0030.0308.58
4.3.80.0100.0278.58
4.3.70.0000.0378.58
4.3.60.0000.0208.58
4.3.50.0000.0178.58
4.3.40.0000.0238.58
4.3.30.0000.0378.58
4.3.20.0000.0378.58
4.3.10.0000.0178.58
4.3.00.0000.0378.58

preferences:
40.31 ms | 401 KiB | 5 Q