3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var1 = "1"; $var2 = "2"; $temp1 = "var" . "1"; $temp2 = "var" . "2"; var_dump($$temp1 ?? $$temp2);

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)
8.3.40.0110.00318.76
8.3.30.0060.01218.46
8.3.20.0000.00720.27
8.3.10.0040.00423.51
8.3.00.0040.00819.13
8.2.170.0100.01022.96
8.2.160.0100.00322.13
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00417.63
8.2.110.0060.00622.25
8.2.100.0000.01117.93
8.2.90.0000.00819.21
8.2.80.0030.00517.97
8.2.70.0050.00317.63
8.2.60.0000.00817.93
8.2.50.0000.00818.07
8.2.40.0000.00719.22
8.2.30.0030.00320.66
8.2.20.0080.00017.70
8.2.10.0040.00418.13
8.2.00.0040.00418.10
8.1.270.0030.00524.66
8.1.260.0030.00626.35
8.1.250.0050.00528.09
8.1.240.0060.00322.54
8.1.230.0120.00017.66
8.1.220.0060.00617.74
8.1.210.0090.00018.77
8.1.200.0060.00317.13
8.1.190.0000.00817.10
8.1.180.0080.00018.10
8.1.170.0000.00819.06
8.1.160.0070.00022.01
8.1.150.0040.00420.68
8.1.140.0000.00919.48
8.1.130.0040.00417.65
8.1.120.0000.00717.48
8.1.110.0000.00817.35
8.1.100.0000.00717.34
8.1.90.0070.00017.46
8.1.80.0020.00517.44
8.1.70.0000.00717.35
8.1.60.0080.00017.58
8.1.50.0040.00417.55
8.1.40.0040.00417.40
8.1.30.0000.00817.65
8.1.20.0030.00617.61
8.1.10.0040.00417.50
8.1.00.0040.00417.39
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0000.00818.43
8.0.270.0000.00717.19
8.0.260.0030.00317.25
8.0.250.0040.00416.95
8.0.240.0070.00016.82
8.0.230.0030.00316.93
8.0.220.0000.00716.91
8.0.210.0030.00316.86
8.0.200.0000.00616.85
8.0.190.0070.00016.96
8.0.180.0070.00016.79
8.0.170.0000.00716.91
8.0.160.0030.00516.81
8.0.150.0000.00716.79
8.0.140.0000.00816.87
8.0.130.0000.00613.31
8.0.120.0080.00016.86
8.0.110.0000.00816.89
8.0.100.0040.00416.76
8.0.90.0040.00416.77
8.0.80.0120.00316.94
8.0.70.0040.00416.78
8.0.60.0070.00016.82
8.0.50.0000.00716.71
8.0.30.0190.00017.06
8.0.20.0110.00717.40
8.0.10.0050.00216.82
8.0.00.0120.00516.65
7.4.330.0050.00015.08
7.4.320.0060.00016.59
7.4.300.0000.00916.44
7.4.290.0030.00316.65
7.4.280.0000.00816.40
7.4.270.0030.00316.49
7.4.260.0000.00716.57
7.4.250.0050.00316.44
7.4.240.0050.00316.44
7.4.230.0030.00316.47
7.4.220.0090.00916.51
7.4.210.0080.00916.54
7.4.200.0030.00316.35
7.4.160.0060.00916.25
7.4.150.0070.01017.40
7.4.140.0130.00617.86
7.4.130.0040.01516.44
7.4.120.0130.00416.34
7.4.110.0060.01216.48
7.4.100.0090.00916.60
7.4.90.0100.00716.34
7.4.80.0090.00919.39
7.4.70.0080.00916.37
7.4.60.0090.00616.40
7.4.50.0040.00416.38
7.4.40.0140.00716.66
7.4.30.0120.00616.43
7.4.00.0070.01014.73
7.3.330.0050.00013.10
7.3.320.0050.00012.95
7.3.310.0030.00315.99
7.3.300.0030.00316.18
7.3.290.0030.00316.22
7.3.280.0070.01116.17
7.3.270.0100.00717.40
7.3.260.0130.00316.42
7.3.250.0100.00916.30
7.3.240.0100.00716.37
7.3.230.0140.00816.50
7.3.210.0100.00716.18
7.3.200.0060.01016.18
7.3.190.0070.01016.43
7.3.180.0100.00716.48
7.3.170.0030.02016.37
7.3.160.0070.01016.55
7.3.120.0070.00614.76
7.3.110.0120.00614.64
7.3.100.0070.01014.85
7.3.90.0030.01014.66
7.3.80.0040.01114.95
7.3.70.0040.00914.76
7.3.60.0070.00714.68
7.3.50.0030.01014.65
7.3.40.0000.00914.64
7.3.30.0050.00514.63
7.3.20.0030.01016.48
7.3.10.0000.01416.59
7.3.00.0060.00916.41
7.2.330.0030.01316.31
7.2.320.0000.01716.68
7.2.310.0130.00916.19
7.2.300.0130.01216.45
7.2.290.0080.00816.45
7.2.250.0080.00814.92
7.2.240.0070.01414.89
7.2.230.0000.01314.84
7.2.220.0080.00814.61
7.2.210.0160.00315.17
7.2.200.0090.00314.89
7.2.190.0110.00014.84
7.2.180.0030.01214.84
7.2.170.0030.01314.90
7.2.160.0120.00314.88
7.2.150.0070.00716.88
7.2.140.0040.00716.60
7.2.130.0040.01116.76
7.2.120.0030.01016.73
7.2.110.0070.00716.89
7.2.100.0030.00616.84
7.2.90.0040.01516.66
7.2.80.0090.00616.44
7.2.70.0080.00516.52
7.2.60.0050.01016.68
7.2.50.0000.01116.82
7.2.40.0040.01116.68
7.2.30.0070.00716.52
7.2.20.0090.00316.37
7.2.10.0060.00616.69
7.2.00.0030.00817.84
7.1.330.0030.01615.58
7.1.320.0060.01315.76
7.1.310.0000.00915.88
7.1.300.0000.01415.84
7.1.290.0050.00515.64
7.1.280.0000.01315.54
7.1.270.0030.01015.48
7.1.260.0070.00715.52
7.1.250.0110.00315.71
7.1.240.0000.01315.57
7.1.230.0030.00715.54
7.1.220.0000.01515.84
7.1.210.0030.01315.73
7.1.200.0020.01015.59
7.1.190.0030.01015.54
7.1.180.0040.00415.64
7.1.170.0060.00615.48
7.1.160.0000.01115.93
7.1.150.0060.00615.63
7.1.140.0070.00715.53
7.1.130.0060.00615.77
7.1.120.0000.01015.80
7.1.110.0040.01115.80
7.1.100.0060.00616.91
7.1.90.0100.00315.67
7.1.80.0070.00715.70
7.1.70.0040.00816.45
7.1.60.0120.00717.66
7.1.50.0110.00416.29
7.1.40.0100.00015.87
7.1.30.0100.00315.70
7.1.20.0000.00915.81
7.1.10.0070.00415.64
7.1.00.0070.03819.04
7.0.330.0000.00915.50
7.0.320.0040.01115.39
7.0.310.0060.00615.38
7.0.300.0100.00315.27
7.0.290.0060.00615.30
7.0.280.0040.00815.30
7.0.270.0060.00615.34
7.0.260.0070.01015.22
7.0.250.0040.01115.43
7.0.240.0030.01015.13
7.0.230.0140.00315.25
7.0.220.0070.00715.52
7.0.210.0050.00515.33
7.0.200.0190.00614.90
7.0.190.0060.00314.98
7.0.180.0030.00715.22
7.0.170.0030.00715.47
7.0.160.0030.00615.17
7.0.150.0030.01015.45
7.0.140.0060.01215.30
7.0.130.0080.00415.51
7.0.120.0070.00715.44
7.0.110.0030.01015.30
7.0.100.0090.00615.36
7.0.90.0040.01115.32
7.0.80.0040.01115.41
7.0.70.0030.01015.30
7.0.60.0050.04517.73
7.0.50.0030.02416.63
7.0.40.0080.04216.59
7.0.30.0180.02616.76
7.0.20.0070.02816.76
7.0.10.0050.04316.84
7.0.00.0060.04616.72
5.6.400.0060.00314.15
5.6.390.0060.00613.74
5.6.380.0030.01314.17
5.6.370.0070.01014.34
5.6.360.0000.01413.95
5.6.350.0060.01014.24
5.6.340.0130.00014.09
5.6.330.0070.00713.83
5.6.320.0050.00514.45
5.6.310.0040.00414.10
5.6.300.0030.01314.07
5.6.290.0030.01014.29
5.6.280.0030.03917.69
5.6.270.0040.00813.81
5.6.260.0030.01214.10
5.6.250.0070.00313.99
5.6.240.0030.01214.07
5.6.230.0060.00613.92
5.6.220.0070.00714.11
5.6.210.0100.04017.31
5.6.200.0050.03516.32
5.6.190.0050.04517.44
5.6.180.0410.02817.33
5.6.170.0170.04717.33
5.6.160.0030.02517.41
5.6.150.0030.03816.25
5.6.140.0110.03316.23
5.6.130.0070.03516.18
5.6.120.0150.02517.55
5.6.110.0110.04317.59
5.6.100.0100.03217.58
5.6.90.0050.02717.62
5.6.80.0030.04517.17
5.6.70.0070.01114.01
5.6.60.0000.01114.16
5.6.50.0040.01114.26
5.6.40.0040.00813.98
5.6.30.0030.01014.08
5.6.20.0120.00414.08
5.6.10.0140.00014.06
5.6.00.0130.00014.04
5.5.380.0100.00713.75
5.5.370.0030.00913.96
5.5.360.0040.00714.15
5.5.350.0130.03417.15
5.5.340.0080.04016.16
5.5.330.0030.03717.28
5.5.320.0200.03917.26
5.5.310.0150.04617.22
5.5.300.0080.03416.22
5.5.290.0020.02716.11
5.5.280.0030.03417.45
5.5.270.0080.04517.52
5.5.260.0070.03717.58
5.5.250.0030.05317.28
5.5.240.0080.04217.24
5.5.230.0050.00514.02
5.5.220.0090.00613.89
5.5.210.0040.00813.75
5.5.200.0090.00314.05
5.5.190.0150.00014.02
5.5.180.0090.00613.82
5.5.170.0070.00713.91
5.5.160.0030.01013.91
5.5.150.0030.00613.96
5.5.140.0110.00314.30
5.5.130.0110.00414.11
5.5.120.0030.00914.21
5.5.110.0030.01013.95
5.5.100.0000.01414.04
5.5.90.0030.01014.12
5.5.80.0070.00713.93
5.5.70.0070.00714.16
5.5.60.0030.00613.79
5.5.50.0030.01414.18
5.5.40.0040.00714.31
5.5.30.0110.00414.18
5.5.20.0000.01314.18
5.5.10.0060.00914.01
5.5.00.0030.00713.93
5.4.450.0070.03416.16
5.4.440.0090.03416.18
5.4.430.0100.02716.17
5.4.420.0100.03016.18
5.4.410.0080.03116.09
5.4.400.0070.03216.03
5.4.390.0250.02516.08
5.4.380.0080.02815.98
5.4.370.0150.02715.95
5.4.360.0150.02716.07
5.4.350.0130.03616.01
5.4.340.0070.03216.13
5.4.330.0060.00312.93
5.4.320.0380.03215.96
5.4.310.0050.03516.03
5.4.300.0250.02316.13
5.4.290.0220.02516.00
5.4.280.0150.03016.01
5.4.270.0120.02615.89
5.4.260.0100.02616.07
5.4.250.0220.03316.03
5.4.240.0230.02115.95
5.4.230.0150.02816.06
5.4.220.0100.03016.09
5.4.210.0130.02716.08
5.4.200.0150.03316.13
5.4.190.0170.02716.02
5.4.180.0100.04216.07
5.4.170.0180.03415.99
5.4.160.0200.03216.08
5.4.150.0130.02915.89
5.4.140.0130.03814.66
5.4.130.0150.02814.67
5.4.120.0140.02614.74
5.4.110.0300.02814.73
5.4.100.0350.03414.73
5.4.90.0100.03314.77
5.4.80.0200.02814.55
5.4.70.0270.03214.68
5.4.60.0410.03614.58
5.4.50.0030.03514.68
5.4.40.0130.02714.55
5.4.30.0130.02314.76
5.4.20.0080.03214.59
5.4.10.0160.02814.77
5.4.00.0090.02714.41

preferences:
56.06 ms | 400 KiB | 5 Q