3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "123"; $i=0; $dynamic3var = 0; while($i < 10){ $label = "dynamic".$i."var"; if(isset(${"dynamic" . $i . "var"})) echo ${"dynamic" . $i . "var"}; $i ++; }; ?>

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)
8.3.60.0140.00716.50
8.3.50.0180.00522.12
8.3.40.0060.00918.75
8.3.30.0070.01018.92
8.3.20.0060.00320.16
8.3.10.0050.00323.73
8.3.00.0050.00321.01
8.2.180.0030.01816.50
8.2.170.0060.00922.96
8.2.160.0030.01020.52
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00419.23
8.2.110.0090.00022.23
8.2.100.0040.00817.66
8.2.90.0000.00919.27
8.2.80.0080.00017.97
8.2.70.0060.00617.10
8.2.60.0090.00018.04
8.2.50.0030.00618.07
8.2.40.0040.00419.88
8.2.30.0040.00418.22
8.2.20.0050.00217.61
8.2.10.0070.00018.18
8.2.00.0050.00319.45
8.1.280.0130.00725.92
8.1.270.0060.00923.77
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.83
8.1.230.0100.00019.16
8.1.220.0040.00417.79
8.1.210.0070.00018.77
8.1.200.0030.00617.22
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0070.00318.50
8.1.160.0040.00421.89
8.1.150.0070.00018.69
8.1.140.0030.00517.39
8.1.130.0000.00817.78
8.1.120.0040.00417.49
8.1.110.0050.00217.45
8.1.100.0000.00717.43
8.1.90.0050.00217.46
8.1.80.0080.00017.47
8.1.70.0000.00717.34
8.1.60.0060.00317.61
8.1.50.0040.00417.50
8.1.40.0040.00417.56
8.1.30.0060.00317.55
8.1.20.0030.00617.65
8.1.10.0040.00417.42
8.1.00.0040.00417.43
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0070.00018.37
8.0.270.0000.00717.32
8.0.260.0000.00617.25
8.0.250.0000.00716.93
8.0.240.0030.00316.84
8.0.230.0000.00716.89
8.0.220.0040.00416.81
8.0.210.0000.00616.84
8.0.200.0030.00316.78
8.0.190.0050.00216.97
8.0.180.0080.00016.93
8.0.170.0060.00316.84
8.0.160.0080.00016.79
8.0.150.0030.00516.80
8.0.140.0030.00516.81
8.0.130.0030.00313.34
8.0.120.0040.00416.77
8.0.110.0030.00516.80
8.0.100.0070.00016.83
8.0.90.0070.00016.86
8.0.80.0040.01116.83
8.0.70.0050.00316.77
8.0.60.0040.00416.89
8.0.50.0040.00416.95
8.0.30.0080.01016.87
8.0.20.0120.00717.40
8.0.10.0040.00416.90
8.0.00.0130.00316.73
7.4.330.0030.00315.13
7.4.320.0030.00316.40
7.4.300.0000.00616.61
7.4.290.0030.00316.50
7.4.280.0050.00216.61
7.4.270.0030.00316.40
7.4.260.0030.00316.48
7.4.250.0000.00816.46
7.4.240.0000.00716.44
7.4.230.0000.00716.60
7.4.220.0120.01016.56
7.4.210.0090.00616.63
7.4.200.0070.00016.58
7.4.160.0000.01616.67
7.4.150.0120.00617.40
7.4.140.0100.00817.86
7.4.130.0050.01316.40
7.4.120.0080.00916.59
7.4.110.0130.00616.49
7.4.100.0100.00716.46
7.4.90.0070.01016.38
7.4.80.0110.00719.39
7.4.70.0130.00316.39
7.4.60.0100.00716.38
7.4.50.0050.00016.20
7.4.40.0140.00316.60
7.4.30.0100.00616.42
7.4.00.0090.00714.89
7.3.330.0030.00313.24
7.3.320.0030.00312.98
7.3.310.0070.00016.35
7.3.300.0030.00316.25
7.3.290.0100.00316.29
7.3.280.0070.00916.27
7.3.270.0100.01017.40
7.3.260.0110.01116.41
7.3.250.0110.00616.45
7.3.240.0180.00316.34
7.3.230.0110.00616.57
7.3.210.0060.01616.70
7.3.200.0110.00919.39
7.3.190.0140.00416.53
7.3.180.0060.00916.27
7.3.170.0040.01516.46
7.3.160.0030.01316.29
7.3.120.0050.01214.63
7.3.110.0070.00714.78
7.3.100.0100.00314.58
7.3.90.0000.01114.76
7.3.80.0040.01114.80
7.3.70.0030.00814.87
7.3.60.0080.00814.53
7.3.50.0060.01014.88
7.3.40.0110.00314.66
7.3.30.0070.00714.85
7.3.20.0050.00516.39
7.3.10.0020.01116.47
7.3.00.0080.00416.61
7.2.330.0090.00916.45
7.2.320.0100.01016.52
7.2.310.0070.01016.46
7.2.300.0070.01016.48
7.2.290.0000.01616.66
7.2.250.0070.00714.90
7.2.240.0060.01314.84
7.2.230.0100.00615.07
7.2.220.0070.00314.76
7.2.210.0060.00615.32
7.2.200.0060.00915.04
7.2.190.0090.00615.10
7.2.180.0000.01414.94
7.2.170.0070.00315.02
7.2.130.0060.00916.58
7.2.120.0030.01016.91
7.2.110.0120.00317.06
7.2.100.0060.00916.77
7.2.90.0090.00616.77
7.2.80.0070.01116.86
7.2.70.0000.00916.99
7.2.60.0110.00916.71
7.2.50.0090.00516.87
7.2.40.0140.00616.45
7.2.30.0140.00016.53
7.2.20.0260.00016.86
7.2.10.0130.00716.78
7.2.00.0030.01016.93
7.1.330.0060.00915.96
7.1.320.0090.00015.85
7.1.310.0090.00015.96
7.1.300.0060.00615.90
7.1.290.0170.00015.70
7.1.280.0000.00915.88
7.1.270.0060.00615.82
7.1.260.0070.00715.84
7.1.250.0000.01315.63
7.1.200.0040.01115.72
7.1.70.0040.00417.07
7.1.60.0070.01819.70
7.1.50.0030.01416.87
7.1.00.0070.07322.42
7.0.200.0040.00416.81
7.0.140.0070.07322.01
7.0.110.0030.08020.05
7.0.100.0070.08020.06
7.0.90.0100.08019.91
7.0.80.0170.07719.90
7.0.70.0030.07719.96
7.0.60.0070.06320.00
7.0.50.0000.08320.38
7.0.40.0100.07320.25
7.0.30.0100.08020.16
7.0.20.0170.07320.05
7.0.10.0030.08020.05
7.0.00.0130.07320.05
5.6.280.0000.07721.07
5.6.260.0100.07720.68
5.6.250.0100.08020.59
5.6.240.0100.08020.55
5.6.230.0170.04020.61
5.6.220.0070.05020.84
5.6.210.0070.06020.39
5.6.200.0100.06320.94
5.6.190.0130.07020.98
5.6.180.0070.08021.21
5.6.170.0170.07720.89
5.6.160.0100.08021.19
5.6.150.0070.08721.05
5.6.140.0130.07321.05
5.6.130.0000.09321.18
5.6.120.0100.07720.93
5.6.110.0000.08321.04
5.6.100.0030.07720.96
5.6.90.0130.07020.99
5.6.80.0030.06020.36
5.6.70.0070.07720.46
5.6.60.0100.07720.44
5.6.50.0170.05320.43
5.6.40.0070.08320.34
5.6.30.0070.04720.34
5.6.20.0070.08020.41
5.6.10.0030.08320.37
5.6.00.0030.08020.48
5.5.380.0070.07320.40
5.5.370.0030.05020.23
5.5.360.0070.07320.41
5.5.350.0030.08320.47
5.5.340.0170.07020.86
5.5.330.0070.07320.95
5.5.320.0070.08020.80
5.5.310.0030.09020.69
5.5.300.0000.07720.89
5.5.290.0170.06020.88
5.5.280.0100.08320.95
5.5.270.0170.06720.82
5.5.260.0070.05720.85
5.5.250.0170.07320.75
5.5.240.0070.08020.17
5.5.230.0200.06020.18
5.5.220.0200.06720.41
5.5.210.0000.08320.36
5.5.200.0070.07720.33
5.5.190.0100.07720.31
5.5.180.0030.07720.24
5.5.160.0100.07020.04
5.5.150.0030.08020.18
5.5.140.0130.06720.04
5.5.130.0000.05020.24
5.5.120.0100.04020.12
5.5.110.0170.06320.04
5.5.100.0100.07020.14
5.5.90.0130.06320.13
5.5.80.0030.08020.22
5.5.70.0130.07020.25
5.5.60.0000.08719.93
5.5.50.0070.07320.16
5.5.40.0070.07020.12
5.5.30.0100.08720.19
5.5.20.0100.07720.25
5.5.10.0100.05019.92
5.5.00.0100.05720.21
5.4.450.0130.08019.49
5.4.440.0130.08019.29
5.4.430.0130.07319.42
5.4.420.0030.08319.42
5.4.410.0100.07719.22
5.4.400.0070.06719.01
5.4.390.0030.06319.27
5.4.380.0000.07318.93
5.4.370.0100.06718.95
5.4.360.0070.04318.95
5.4.350.0070.08019.27
5.4.340.0200.05718.97
5.4.320.0070.08318.95
5.4.310.0070.04319.01
5.4.300.0100.06719.11
5.4.290.0200.06319.02
5.4.280.0030.07319.18
5.4.270.0130.07319.11
5.4.260.0100.07019.16
5.4.250.0070.08018.98
5.4.240.0070.07318.92
5.4.230.0100.07019.11
5.4.220.0030.08719.11
5.4.210.0070.05018.94
5.4.200.0100.07719.27
5.4.190.0170.06019.10
5.4.180.0030.07318.94
5.4.170.0130.06719.04
5.4.160.0130.07319.05
5.4.150.0130.07019.09
5.4.140.0130.07016.34
5.4.130.0070.06016.44
5.4.120.0100.06716.34
5.4.110.0070.07716.53
5.4.100.0100.06716.23
5.4.90.0030.07316.40
5.4.80.0030.07316.36
5.4.70.0130.06316.46
5.4.60.0100.06316.48
5.4.50.0070.07016.33
5.4.40.0030.07716.40
5.4.30.0070.07716.49
5.4.20.0000.08016.47
5.4.10.0130.06316.50
5.4.00.0070.07315.93
5.3.290.0070.06014.53
5.3.280.0030.07714.67
5.3.270.0030.07714.67
5.3.260.0100.07714.38
5.3.250.0030.08014.61
5.3.240.0030.08014.53
5.3.230.0070.08014.52
5.3.220.0070.06714.35
5.3.210.0070.07314.57
5.3.200.0070.07714.45
5.3.190.0070.07714.49
5.3.180.0030.07314.44
5.3.170.0030.05714.45
5.3.160.0030.08014.55
5.3.150.0030.05714.48
5.3.140.0070.08014.34
5.3.130.0130.07314.42
5.3.120.0100.07014.40
5.3.110.0030.08014.56
5.3.100.0070.07014.10
5.3.90.0030.08013.85
5.3.80.0070.07013.96
5.3.70.0030.07713.89
5.3.60.0270.05013.84
5.3.50.0030.07014.00
5.3.40.0170.06013.81
5.3.30.0100.06313.79
5.3.20.0230.05713.48
5.3.10.0100.07313.57
5.3.00.0070.05013.54
5.2.170.0100.06011.88
5.2.160.0030.06311.88
5.2.150.0030.06711.88
5.2.140.0000.03311.88
5.2.130.0030.06711.88
5.2.120.0070.06311.88
5.2.110.0100.05011.88
5.2.100.0070.05711.88
5.2.90.0100.05311.88
5.2.80.0030.05011.88
5.2.70.0000.05711.88
5.2.60.0070.06011.88
5.2.50.0030.03311.88
5.2.40.0070.03011.88
5.2.30.0000.05711.88
5.2.20.0000.06711.88
5.2.10.0000.07011.88
5.2.00.0030.04711.88
5.1.60.0070.05011.88
5.1.50.0100.05011.88
5.1.40.0100.04711.88
5.1.30.0000.06011.88
5.1.20.0030.05011.88
5.1.10.0030.05311.88
5.1.00.0130.04711.88
5.0.50.0000.04711.88
5.0.40.0070.02311.88
5.0.30.0030.06011.88
5.0.20.0030.04311.88
5.0.10.0070.04011.88
5.0.00.0070.06011.88
4.4.90.0030.03311.88
4.4.80.0070.02011.88
4.4.70.0000.02711.88
4.4.60.0030.03711.88
4.4.50.0000.03711.88
4.4.40.0000.04011.88
4.4.30.0000.02311.88
4.4.20.0030.03311.88
4.4.10.0100.02711.88
4.4.00.0000.05311.88
4.3.110.0130.02311.88
4.3.100.0070.03011.88
4.3.90.0000.03711.88
4.3.80.0100.04711.88
4.3.70.0030.01711.88
4.3.60.0070.02011.88
4.3.50.0030.03311.88
4.3.40.0000.05711.88
4.3.30.0000.03311.88
4.3.20.0030.03311.88
4.3.10.0030.03311.88
4.3.00.0000.03711.88

preferences:
64.11 ms | 401 KiB | 5 Q