3v4l.org

run code in 300+ PHP versions simultaneously
<?php (function() { $var = 123; $$var = "123"; print_r(get_defined_vars()); })();

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)
8.3.70.0210.00018.15
8.3.60.0110.00418.31
8.3.50.0100.00716.50
8.3.40.0140.00418.62
8.3.30.0000.01418.63
8.3.20.0080.00421.94
8.3.10.0050.00323.53
8.3.00.0000.00819.54
8.2.190.0110.01116.58
8.2.180.0100.01018.53
8.2.170.0070.00722.96
8.2.160.0090.00621.24
8.2.150.0070.00024.18
8.2.140.0070.00024.66
8.2.130.0070.00020.33
8.2.120.0040.00426.35
8.2.110.0070.00321.00
8.2.100.0090.00317.77
8.2.90.0030.00618.34
8.2.80.0050.00317.97
8.2.70.0060.00317.50
8.2.60.0080.00018.04
8.2.50.0030.00618.10
8.2.40.0050.00320.55
8.2.30.0040.00419.20
8.2.20.0040.00418.04
8.2.10.0040.00418.18
8.2.00.0070.00018.09
8.1.280.0110.00325.92
8.1.270.0040.00422.14
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0110.00022.67
8.1.230.0070.00722.74
8.1.220.0080.00017.77
8.1.210.0030.00620.24
8.1.200.0040.00417.25
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0080.00018.46
8.1.160.0070.00018.90
8.1.150.0070.00020.02
8.1.140.0070.00019.62
8.1.130.0000.00718.88
8.1.120.0000.00917.48
8.1.110.0050.00217.44
8.1.100.0050.00317.36
8.1.90.0000.00717.43
8.1.80.0050.00217.50
8.1.70.0000.00717.35
8.1.60.0040.00417.48
8.1.50.0060.00317.52
8.1.40.0000.00717.50
8.1.30.0040.00417.65
8.1.20.0000.00917.61
8.1.10.0040.00717.41
8.1.00.0000.00817.47
8.0.300.0000.00720.11
8.0.290.0040.00416.75
8.0.280.0050.00318.43
8.0.270.0000.00817.27
8.0.260.0000.00616.87
8.0.250.0000.00716.88
8.0.240.0060.00316.77
8.0.230.0000.00716.98
8.0.220.0030.00316.85
8.0.210.0030.00316.93
8.0.200.0030.00316.83
8.0.190.0040.00416.84
8.0.180.0050.00216.87
8.0.170.0050.00316.82
8.0.160.0040.00416.89
8.0.150.0030.00516.83
8.0.140.0050.00316.87
8.0.130.0000.00513.28
8.0.120.0000.00716.76
8.0.110.0000.00716.68
8.0.100.0030.00416.87
8.0.90.0040.00416.92
8.0.80.0100.00616.89
8.0.70.0040.00416.84
8.0.60.0050.00316.98
8.0.50.0070.00016.79
8.0.30.0080.01116.94
8.0.20.0090.01017.40
8.0.10.0000.00817.07
8.0.00.0110.00716.76
7.4.330.0000.00615.55
7.4.320.0030.00316.52
7.4.300.0060.00016.37
7.4.290.0090.00316.58
7.4.280.0030.00616.45
7.4.270.0000.00716.62
7.4.260.0060.00013.23
7.4.250.0020.00516.54
7.4.240.0040.00416.47
7.4.230.0070.00016.60
7.4.220.0100.01616.66
7.4.210.0030.01616.41
7.4.200.0080.00016.56
7.4.160.0110.00516.57
7.4.150.0170.00017.40
7.4.140.0110.00817.86
7.4.130.0110.01116.62
7.4.120.0130.01016.52
7.4.110.0120.00916.52
7.4.100.0060.01016.39
7.4.90.0060.01116.50
7.4.80.0120.00319.39
7.4.70.0100.00616.66
7.4.60.0100.00716.59
7.4.50.0000.01316.64
7.4.40.0070.01016.47
7.4.30.0080.00816.38
7.4.00.0090.00614.96
7.3.330.0000.00513.17
7.3.320.0020.00213.13
7.3.310.0070.00016.29
7.3.300.0030.00316.27
7.3.290.0080.00816.25
7.3.280.0090.00816.26
7.3.270.0090.00917.40
7.3.260.0060.01316.32
7.3.250.0060.01316.36
7.3.240.0080.01116.33
7.3.230.0090.00916.31
7.3.210.0060.01016.62
7.3.200.0110.00616.34
7.3.190.0090.00816.32
7.3.180.0110.01116.64
7.3.170.0150.00316.41
7.3.160.0070.01416.63
7.3.120.0100.00714.82
7.3.110.0030.01114.72
7.3.100.0090.00615.04
7.3.90.0040.01114.80
7.3.80.0090.00614.53
7.3.70.0060.00314.88
7.3.60.0090.00614.95
7.3.50.0000.01314.63
7.3.40.0000.00914.80
7.3.30.0070.00714.59
7.3.20.0000.01016.82
7.3.10.0000.01116.48
7.3.00.0060.01216.81
7.2.330.0070.01016.37
7.2.320.0050.01916.41
7.2.310.0040.01216.60
7.2.300.0060.00916.71
7.2.290.0080.00816.64
7.2.250.0060.01315.04
7.2.240.0040.01214.60
7.2.230.0040.01114.86
7.2.220.0090.00615.06
7.2.210.0030.00614.88
7.2.200.0030.01015.05
7.2.190.0040.00814.89
7.2.180.0060.00914.91
7.2.170.0050.00515.05
7.2.160.0060.00614.83
7.2.150.0090.00616.83
7.2.140.0100.00416.94
7.2.130.0090.00316.74
7.2.120.0090.00916.93
7.2.110.0060.01016.86
7.2.100.0030.01016.97
7.2.90.0100.00716.58
7.2.80.0130.00316.77
7.2.70.0120.00616.56
7.2.60.0000.01316.63
7.2.50.0030.01016.85
7.2.40.0090.00616.87
7.2.30.0030.01216.98
7.2.20.0040.01116.74
7.2.10.0030.01216.88
7.2.00.0040.01118.23
7.1.330.0120.00315.63
7.1.320.0120.00315.65
7.1.310.0070.00315.61
7.1.300.0030.01015.81
7.1.290.0110.00315.54
7.1.280.0090.00315.97
7.1.270.0000.01415.71
7.1.260.0060.00615.63
7.1.250.0040.00715.66
7.1.240.0040.01215.96
7.1.230.0070.01015.92
7.1.220.0060.00315.84
7.1.210.0030.01015.83
7.1.200.0080.00515.67
7.1.190.0060.01215.84
7.1.180.0040.00415.69
7.1.170.0060.00615.82
7.1.160.0080.00815.62
7.1.150.0060.00315.52
7.1.140.0030.01015.84
7.1.130.0000.00815.68
7.1.120.0000.01315.77
7.1.110.0030.00615.86
7.1.100.0060.00915.69
7.1.90.0040.01415.78
7.1.80.0060.00615.63
7.1.70.0040.00616.37
7.1.60.0320.01224.52
7.1.50.0440.01224.32
7.1.40.0270.01224.21
7.1.30.0350.01124.10
7.1.20.0520.00824.14
7.1.10.0250.00715.27
7.1.00.0200.00915.27
7.0.330.0040.01115.37
7.0.320.0090.00315.14
7.0.310.0090.00615.44
7.0.300.0070.00715.39
7.0.290.0060.00915.30
7.0.280.0060.00615.39
7.0.270.0060.00615.26
7.0.260.0030.00915.36
7.0.250.0000.00915.59
7.0.240.0060.01215.40
7.0.230.0100.00715.49
7.0.220.0040.01115.52
7.0.210.0060.00615.19
7.0.200.0280.01015.21
7.0.190.0230.01015.05
7.0.180.0320.01014.97
7.0.170.0270.00714.84
7.0.160.0310.00614.85
7.0.150.0280.00514.87
7.0.140.0430.00514.96
7.0.130.0230.00814.99
7.0.120.0270.00514.93
7.0.110.0230.00915.01
7.0.100.0180.01114.93
7.0.90.0180.01014.91
7.0.80.0250.00714.66
7.0.70.0220.01114.80
7.0.60.0270.00214.88
7.0.50.0200.01014.98
7.0.40.0260.00614.11
7.0.30.0200.00814.00
7.0.20.0200.01113.84
7.0.10.0200.00813.86
7.0.00.0250.00813.89
5.6.400.0090.00914.45
5.6.390.0120.00314.06
5.6.380.0030.01013.84
5.6.370.0030.01213.96
5.6.360.0030.01014.06
5.6.350.0130.00013.96
5.6.340.0080.00314.23
5.6.330.0030.01014.20
5.6.320.0080.00514.16
5.6.310.0060.00614.18
5.6.300.0000.00814.00
5.6.290.0060.01014.11
5.6.280.0070.00714.06
5.6.270.0030.00614.28
5.6.260.0040.00414.10
5.6.250.0090.00314.18
5.6.240.0070.01014.36
5.6.230.0000.01014.17
5.6.220.0030.00614.21
5.6.210.0070.00313.86
5.6.200.0030.00914.07
5.6.190.0040.00414.14
5.6.180.0000.01414.18
5.6.170.0000.01614.02
5.6.160.0060.00614.21
5.6.150.0080.00013.98
5.6.140.0070.00314.36
5.6.130.0030.01014.02
5.6.120.0000.01314.10
5.6.110.0000.01414.02
5.6.100.0030.00614.05
5.6.90.0060.00814.22
5.6.80.0070.00414.10
5.6.70.0030.01013.94
5.6.60.0130.00014.04
5.6.50.0030.01014.18
5.6.40.0080.00413.90
5.6.30.0040.01114.14
5.6.20.0070.00313.95
5.6.10.0030.00714.02
5.6.00.0110.00313.93

preferences:
18.64 ms | 401 KiB | 5 Q