3v4l.org

run code in 300+ PHP versions simultaneously
<?php $myobject = new stdclass; $myobject->a1 = 'foo'; $var = 'a1'; echo $myobject->$var;

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)
8.3.60.0080.00816.63
8.3.50.0120.00616.70
8.3.40.0140.00018.67
8.3.30.0110.00318.71
8.3.20.0060.00318.82
8.3.10.0040.00420.37
8.3.00.0040.00419.38
8.2.180.0110.00416.50
8.2.170.0140.00722.96
8.2.160.0130.00020.88
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0020.00526.16
8.2.120.0040.00419.89
8.2.110.0090.00020.39
8.2.100.0070.00417.84
8.2.90.0050.00319.05
8.2.80.0040.00417.97
8.2.70.0060.00317.50
8.2.60.0070.00417.78
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0070.00317.99
8.2.20.0040.00417.72
8.2.10.0080.00017.80
8.2.00.0000.00817.63
8.1.280.0060.00925.92
8.1.270.0090.00624.66
8.1.260.0140.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00822.14
8.1.230.0110.00017.42
8.1.220.0000.00817.78
8.1.210.0000.00818.77
8.1.200.0030.00717.35
8.1.190.0000.00717.54
8.1.180.0000.00818.10
8.1.170.0060.00320.69
8.1.160.0000.00718.89
8.1.150.0040.00418.59
8.1.140.0050.00317.46
8.1.130.0030.00317.88
8.1.120.0070.00017.45
8.1.110.0050.00217.36
8.1.100.0000.00717.44
8.1.90.0000.00817.48
8.1.80.0070.00017.45
8.1.70.0040.00417.42
8.1.60.0000.00817.46
8.1.50.0060.00317.37
8.1.40.0000.00817.53
8.1.30.0040.00417.50
8.1.20.0060.00317.58
8.1.10.0040.00417.56
8.1.00.0040.00417.40
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0030.00618.55
8.0.270.0030.00517.16
8.0.260.0060.00016.88
8.0.250.0040.00416.98
8.0.240.0000.00816.93
8.0.230.0030.00316.96
8.0.220.0040.00416.78
8.0.210.0030.00316.73
8.0.200.0040.00416.98
8.0.190.0030.00516.92
8.0.180.0000.00716.90
8.0.170.0000.00716.92
8.0.160.0030.00316.88
8.0.150.0000.00816.72
8.0.140.0040.00416.87
8.0.130.0030.00313.25
8.0.120.0040.00416.82
8.0.110.0060.00316.89
8.0.100.0000.00716.87
8.0.90.0050.00216.92
8.0.80.0100.01016.86
8.0.70.0050.00216.75
8.0.60.0080.00016.68
8.0.50.0040.00416.94
8.0.30.0100.01017.17
8.0.20.0110.00817.04
8.0.10.0050.00216.87
8.0.00.0100.01216.62
7.4.330.0030.00312.92
7.4.320.0030.00316.43
7.4.300.0040.00416.59
7.4.290.0060.00316.54
7.4.280.0060.00316.54
7.4.270.0030.00316.56
7.4.260.0030.00313.26
7.4.250.0000.00816.42
7.4.240.0000.00816.38
7.4.230.0030.00316.44
7.4.220.0030.02516.57
7.4.210.0080.00816.48
7.4.200.0030.00316.56
7.4.190.0000.00716.63
7.4.160.0040.01216.30
7.4.150.0120.00616.45
7.4.140.0080.00816.38
7.4.130.0100.00616.29
7.4.120.0080.00816.52
7.4.110.0070.01016.30
7.4.100.0100.01016.59
7.4.90.0190.00616.42
7.4.80.0080.00816.47
7.4.70.0140.00316.49
7.4.60.0040.01416.51
7.4.50.0030.00616.31
7.4.40.0080.00416.29
7.4.30.0080.00816.61
7.4.00.0070.01015.02
7.3.330.0000.00613.02
7.3.320.0000.00513.19
7.3.310.0040.00416.32
7.3.300.0030.00316.21
7.3.290.0070.01016.25
7.3.280.0080.00916.28
7.3.270.0030.01416.24
7.3.260.0070.01616.48
7.3.250.0100.00716.35
7.3.240.0070.01316.36
7.3.230.0070.01016.61
7.3.210.0070.01016.20
7.3.200.0140.00319.39
7.3.190.0030.01816.58
7.3.180.0110.01116.55
7.3.170.0120.00916.45
7.3.160.0130.00316.24
7.3.120.0120.00315.04
7.2.330.0150.00916.85
7.2.320.0070.01516.50
7.2.310.0030.01516.69
7.2.300.0070.01016.67
7.2.290.0100.00716.74
7.2.00.0120.00319.41
7.1.100.0070.00718.10
7.1.70.0000.00716.89
7.1.60.0120.01219.40
7.1.50.0180.00616.98
7.1.00.0070.06722.36
7.0.200.0030.00616.88
7.0.140.0000.07322.18
7.0.120.0000.07722.08
7.0.60.0030.08020.00
7.0.50.0070.03717.80
7.0.40.0100.04320.09
7.0.30.0670.06020.17
7.0.20.0300.07720.17
7.0.10.0300.07320.21
7.0.00.0070.08020.01
5.6.280.0030.07320.79
5.6.210.0100.07720.70
5.6.200.0100.04718.19
5.6.190.0000.04720.41
5.6.180.0170.04720.59
5.6.170.0200.04720.38
5.6.160.0000.05320.38
5.6.150.0000.04018.11
5.6.140.0030.08318.11
5.6.130.0000.05718.08
5.6.120.0170.06320.98
5.6.110.0130.07720.98
5.6.100.0130.07320.96
5.6.90.0200.07021.02
5.6.80.0000.04320.42
5.6.70.0130.07020.36
5.5.350.0170.07720.37
5.5.340.0100.05718.00
5.5.330.0100.07720.21
5.5.320.0030.08320.07
5.5.310.0300.07320.23
5.5.300.0130.05017.88
5.5.290.0030.08317.88
5.5.280.0100.08720.65
5.5.270.0100.07020.77
5.5.260.0100.04720.94
5.5.250.0030.08320.79
5.5.240.0030.03720.23
5.4.450.0070.08319.51
5.4.440.0030.08319.42
5.4.430.0030.07319.46
5.4.420.0100.07319.11
5.4.410.0000.05319.34
5.4.400.0030.04019.14
5.4.390.0070.03718.91
5.4.380.0070.04019.07
5.4.370.0070.08019.12
5.4.360.0130.07019.14
5.4.350.0070.04719.00
5.4.340.0030.04718.81
5.4.320.0100.04719.00
5.4.310.0070.05319.14
5.4.300.0170.06719.00
5.4.290.0000.08719.17
5.4.280.0030.08319.15
5.4.270.0070.03319.12
5.4.260.0000.04719.18
5.4.250.0170.06019.17
5.4.240.0130.07318.93
5.4.230.0100.04318.79
5.4.220.0100.07718.78
5.4.210.0030.04718.78
5.4.200.0030.04019.17
5.4.190.0200.06319.11
5.4.180.0130.07318.90
5.4.170.0100.04019.07
5.4.160.0100.06718.78
5.4.150.0130.07319.05
5.4.140.0030.07316.17
5.4.130.0100.07016.37
5.4.120.0100.07316.25
5.4.110.0030.08016.34
5.4.100.0070.06316.36
5.4.90.0030.04716.41
5.4.80.0030.05716.39
5.4.70.0030.05716.18
5.4.60.0070.05016.38
5.4.50.0100.06716.34
5.4.40.0070.05016.24
5.4.30.0000.05716.12
5.4.20.0000.04316.34
5.4.10.0000.04716.23
5.4.00.0130.05715.66
5.3.290.0000.05314.61
5.3.280.0070.04314.52
5.3.270.0170.07014.48
5.3.260.0100.04314.52
5.3.250.0130.07014.54
5.3.240.0070.07314.39
5.3.230.0230.06014.55
5.3.220.0100.07014.48
5.3.210.0070.05014.49
5.3.200.0070.07714.48
5.3.190.0100.05314.50
5.3.180.0000.07714.49
5.3.170.0030.04714.38
5.3.160.0070.04314.48
5.3.150.0130.05314.57
5.3.140.0100.07714.49
5.3.130.0070.08014.51
5.3.120.0000.05014.46
5.3.110.0070.04314.48
5.3.100.0070.03713.96
5.3.90.0070.07714.11
5.3.80.0130.06713.80
5.3.70.0070.04013.80
5.3.60.0100.06013.82
5.3.50.0100.07013.90
5.3.40.0000.04013.88
5.3.30.0070.06713.74
5.3.20.0030.06013.62
5.3.10.0070.03313.58
5.3.00.0100.07013.45
5.2.170.0030.06711.12
5.2.160.0130.04010.96
5.2.150.0070.02711.12
5.2.140.0170.02711.13
5.2.130.0130.03011.04
5.2.120.0030.06310.93
5.2.110.0030.05711.03
5.2.100.0070.05311.11
5.2.90.0070.04011.00
5.2.80.0070.03711.05
5.2.70.0030.04310.97
5.2.60.0070.03710.97
5.2.50.0070.02710.86
5.2.40.0030.03010.98
5.2.30.0030.02710.91
5.2.20.0100.05710.93
5.2.10.0000.03710.71
5.2.00.0000.03310.71
5.1.60.0000.0309.94
5.1.50.0030.0409.98
5.1.40.0030.0509.95
5.1.30.0100.03710.41
5.1.20.0070.03010.38
5.1.10.0000.03710.11
5.1.00.0070.05010.14
5.0.50.0070.0178.51
5.0.40.0000.0208.49
5.0.30.0030.0538.49
5.0.20.0030.0408.49
5.0.10.0030.0478.49
5.0.00.0030.0638.49
4.4.90.0070.0308.49
4.4.80.0030.0278.49
4.4.70.0030.0308.49
4.4.60.0030.0378.49
4.4.50.0030.0238.49
4.4.40.0030.0508.49
4.4.30.0030.0378.49
4.4.20.0030.0378.49
4.4.10.0070.0208.49
4.4.00.0030.0308.49
4.3.110.0000.0178.49
4.3.100.0030.0178.49
4.3.90.0100.0308.49
4.3.80.0030.0508.49
4.3.70.0030.0208.49
4.3.60.0030.0338.49
4.3.50.0000.0208.49
4.3.40.0030.0438.49
4.3.30.0000.0208.49
4.3.20.0030.0238.49
4.3.10.0000.0208.49
4.3.00.0000.0308.49

preferences:
57.73 ms | 401 KiB | 5 Q