3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "A-MTP-"; $i = 1; $j=1; $s=1; while ($i < 4) { $ch="ch".$s ; $ch= "$".$ch; $$ch = ""; while($j < 13) { $j++; } $i++;$s++; }

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)
8.3.60.0100.01018.38
8.3.50.0100.01221.99
8.3.40.0110.00418.86
8.3.30.0100.00318.91
8.3.20.0040.00420.38
8.3.10.0070.00021.92
8.3.00.0000.00722.37
8.2.180.0100.00616.32
8.2.170.0090.00622.96
8.2.160.0070.00720.98
8.2.150.0070.00024.18
8.2.140.0000.00924.66
8.2.130.0040.01126.16
8.2.120.0040.00419.26
8.2.110.0030.00622.13
8.2.100.0090.00317.72
8.2.90.0030.00619.28
8.2.80.0030.00617.97
8.2.70.0000.00817.63
8.2.60.0000.00717.80
8.2.50.0000.00918.07
8.2.40.0050.00318.28
8.2.30.0040.00418.17
8.2.20.0070.00017.76
8.2.10.0000.00717.85
8.2.00.0070.00017.79
8.1.280.0030.01025.92
8.1.270.0080.00022.10
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0000.00923.96
8.1.230.0080.00319.16
8.1.220.0050.00317.79
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0000.00817.43
8.1.180.0000.00718.75
8.1.170.0030.00618.59
8.1.160.0040.00422.02
8.1.150.0000.00718.63
8.1.140.0000.00717.32
8.1.130.0070.00017.73
8.1.120.0030.00317.50
8.1.110.0030.00517.37
8.1.100.0000.00717.45
8.1.90.0070.00017.29
8.1.80.0000.00717.35
8.1.70.0000.00717.47
8.1.60.0060.00317.59
8.1.50.0040.00417.42
8.1.40.0000.00717.43
8.1.30.0080.00017.52
8.1.20.0000.00817.52
8.1.10.0080.00017.58
8.1.00.0040.00417.49
8.0.300.0000.00818.77
8.0.290.0080.00017.05
8.0.280.0000.00718.46
8.0.270.0000.00817.18
8.0.260.0000.00716.87
8.0.250.0070.00016.98
8.0.240.0000.00716.95
8.0.230.0060.00317.00
8.0.220.0030.00316.88
8.0.210.0000.00716.93
8.0.200.0030.00316.84
8.0.190.0000.00716.98
8.0.180.0030.00616.77
8.0.170.0000.00816.92
8.0.160.0030.00616.92
8.0.150.0070.00316.79
8.0.140.0000.00716.87
8.0.130.0000.00513.20
8.0.120.0000.00816.75
8.0.110.0000.00716.87
8.0.100.0000.00716.73
8.0.90.0000.00716.79
8.0.80.0100.01016.95
8.0.70.0000.00816.96
8.0.60.0000.00816.89
8.0.50.0040.00416.78
8.0.30.0150.00717.04
8.0.20.0110.00817.40
8.0.10.0040.00416.98
8.0.00.0060.01416.73
7.4.330.0000.00515.00
7.4.320.0030.00316.60
7.4.300.0030.00316.59
7.4.290.0070.00016.61
7.4.280.0000.00716.54
7.4.270.0040.00416.63
7.4.260.0030.00316.63
7.4.250.0040.00416.45
7.4.240.0040.00316.54
7.4.230.0000.00716.40
7.4.220.0070.01016.54
7.4.210.0090.00816.59
7.4.200.0000.00716.59
7.4.190.0070.00016.49
7.4.160.0030.01316.52
7.4.150.0100.01017.40
7.4.140.0080.01217.86
7.4.130.0090.01416.43
7.4.120.0060.01016.39
7.4.110.0030.01316.57
7.4.100.0030.01416.45
7.4.90.0130.00416.48
7.4.80.0100.00719.39
7.4.70.0090.01216.44
7.4.60.0130.00316.46
7.4.50.0040.00416.35
7.4.40.0140.00322.77
7.4.30.0120.00316.66
7.4.10.0120.00614.71
7.4.00.0070.00814.89
7.3.330.0050.00013.13
7.3.320.0000.00613.17
7.3.310.0070.00016.41
7.3.300.0030.00316.35
7.3.290.0130.00316.28
7.3.280.0100.00616.35
7.3.270.0130.00317.40
7.3.260.0090.01016.52
7.3.250.0080.01216.48
7.3.240.0090.00916.46
7.3.230.0060.01516.39
7.3.210.0120.00616.46
7.3.200.0090.00919.39
7.3.190.0140.00716.42
7.3.180.0120.00316.29
7.3.170.0120.01116.66
7.3.160.0160.00016.39
7.3.130.0070.00714.64
7.3.120.0080.00714.82
7.3.110.0060.01214.77
7.3.100.0100.00314.82
7.3.90.0090.00914.82
7.3.80.0000.00814.99
7.3.70.0080.00614.96
7.3.60.0040.00414.98
7.3.50.0030.01314.70
7.3.40.0040.00414.53
7.3.30.0000.01614.88
7.3.20.0040.00416.63
7.3.10.0040.01116.71
7.3.00.0020.01316.57
7.2.330.0100.00716.58
7.2.320.0140.01016.53
7.2.310.0090.00616.53
7.2.300.0060.01616.64
7.2.290.0120.00916.71
7.2.260.0080.01114.75
7.2.250.0110.00714.78
7.2.240.0030.01015.09
7.2.230.0110.00315.28
7.2.220.0000.00915.24
7.2.210.0050.00514.95
7.2.200.0090.00314.91
7.2.190.0060.00615.06
7.2.180.0070.01114.96
7.2.170.0040.01415.00
7.2.160.0030.01014.89
7.2.150.0030.00916.99
7.2.140.0030.00716.82
7.2.130.0050.01017.04
7.2.120.0060.00916.85
7.2.110.0080.00816.79
7.2.100.0030.01316.77
7.2.90.0060.00816.91
7.2.80.0050.00716.94
7.2.70.0100.00517.05
7.2.60.0080.00517.10
7.2.50.0020.01216.97
7.2.40.0050.01116.97
7.2.30.0080.00516.91
7.2.20.0050.01216.99
7.2.10.0030.01016.92
7.2.00.0050.00817.71
7.1.330.0000.01215.61
7.1.320.0090.00615.68
7.1.310.0090.00315.72
7.1.300.0000.01415.73
7.1.290.0070.00315.38
7.1.280.0050.00315.43
7.1.270.0000.01215.68
7.1.260.0030.01315.64
7.1.250.0040.00715.72
7.1.240.0050.00715.66
7.1.230.0060.00715.57
7.1.220.0030.01015.72
7.1.210.0030.00915.58
7.1.200.0030.01015.76
7.1.190.0010.00815.63
7.1.180.0060.00615.53
7.1.170.0070.00515.83
7.1.160.0080.00315.52
7.1.150.0050.00715.75
7.1.140.0050.00715.63
7.1.130.0030.00815.69
7.1.120.0030.00815.61
7.1.110.0090.00215.81
7.1.100.0050.00916.51
7.1.90.0080.00515.81
7.1.80.0060.00715.63
7.1.70.0030.00716.25
7.1.60.0050.01216.95
7.1.50.0030.00916.09
7.1.40.0020.00815.81
7.1.30.0070.00715.69
7.1.20.0030.01015.67
7.1.10.0020.01015.50
7.1.00.0050.03017.81
7.0.330.0110.00215.39
7.0.320.0060.00615.29
7.0.310.0030.01015.36
7.0.300.0020.00615.22
7.0.290.0050.00715.37
7.0.280.0060.00715.37
7.0.270.0030.00915.31
7.0.260.0050.00715.34
7.0.250.0050.00815.33
7.0.240.0070.00615.22
7.0.230.0030.00815.49
7.0.220.0030.00815.37
7.0.210.0030.01015.25
7.0.200.0080.00615.82
7.0.190.0050.00615.35
7.0.180.0020.01215.38
7.0.170.0070.00515.29
7.0.160.0060.00415.47
7.0.150.0060.00815.45
7.0.140.0080.02617.55
7.0.130.0050.00915.26
7.0.120.0070.00915.40
7.0.110.0230.02616.91
7.0.100.0160.01816.85
7.0.90.0100.02216.73
7.0.80.0090.02416.89
7.0.70.0100.01916.98
7.0.60.0170.01716.88
7.0.50.0090.02717.09
7.0.40.0030.03115.53
7.0.30.0070.01815.70
7.0.20.0070.01815.64
7.0.10.0090.01715.66
7.0.00.0060.01715.67
5.6.400.0070.01014.70
5.6.390.0070.00714.44
5.6.380.0070.00414.08
5.6.370.0030.01014.41
5.6.360.0060.00514.63
5.6.350.0000.01314.49
5.6.340.0070.00814.69
5.6.330.0080.00514.10
5.6.320.0070.00314.38
5.6.310.0040.01014.44
5.6.300.0090.00514.52
5.6.290.0080.00514.28
5.6.280.0060.02716.58
5.6.270.0100.00114.74
5.6.260.0040.01114.44
5.6.250.0020.03416.52
5.6.240.0050.01916.29
5.6.230.0060.01816.52
5.6.220.0040.01916.50
5.6.210.0060.01816.31
5.6.200.0070.01816.47
5.6.190.0060.01816.59
5.6.180.0010.02616.62
5.6.170.0020.03316.57
5.6.160.0030.02516.51
5.6.150.0070.01416.68
5.6.140.0040.01816.58
5.6.130.0090.01816.73
5.6.120.0070.03316.57
5.6.110.0150.02116.52
5.6.100.0070.02916.58
5.6.90.0100.02316.48
5.6.80.0050.02716.46
5.6.70.0070.03016.35
5.6.60.0040.03216.29
5.6.50.0170.01816.25
5.6.40.0070.03016.27
5.6.30.0060.03116.16
5.6.20.0050.03116.32
5.6.10.0070.02816.24
5.6.00.0020.03316.27
5.5.380.0050.01715.14
5.5.370.0040.02115.20
5.5.360.0070.02115.34
5.5.350.0050.01815.25
5.5.340.0060.02115.33
5.5.330.0090.03115.37
5.5.320.0050.01515.37
5.5.310.0070.01315.43
5.5.300.0070.02315.36
5.5.290.0060.03115.38
5.5.280.0020.03515.29
5.5.270.0040.03015.29
5.5.260.0090.02815.47
5.5.250.0070.02215.25
5.5.240.0070.03015.27
5.5.230.0090.01615.06
5.5.220.0050.03215.22
5.5.210.0070.02315.27
5.5.200.0040.02715.19
5.5.190.0040.03115.29
5.5.180.0080.02915.23
5.5.170.0020.00612.54
5.5.160.0010.03115.15
5.5.150.0040.03115.13
5.5.140.0030.03615.21
5.5.130.0050.02614.96
5.5.120.0120.02315.12
5.5.110.0080.02915.25
5.5.100.0040.02515.14
5.5.90.0030.02815.14
5.5.80.0070.01815.11
5.5.70.0060.01814.93
5.5.60.0070.03115.02
5.5.50.0050.03315.06
5.5.40.0030.03015.18
5.5.30.0110.02614.99
5.5.20.0080.02715.16
5.5.10.0040.03015.06
5.5.00.0080.02715.11
5.4.450.0040.02214.15
5.4.440.0030.03214.30
5.4.430.0040.03014.25
5.4.420.0040.02814.26
5.4.410.0060.02914.21
5.4.400.0040.03114.12
5.4.390.0060.02213.93
5.4.380.0110.02114.08
5.4.370.0040.02813.99
5.4.360.0060.03114.04
5.4.350.0080.02214.01
5.4.340.0050.03214.07
5.4.330.0030.00611.65
5.4.320.0060.02014.21
5.4.310.0030.03114.04
5.4.300.0080.02713.93
5.4.290.0100.02513.93
5.4.280.0070.02714.05
5.4.270.0040.03014.06
5.4.260.0040.03014.06
5.4.250.0030.03014.04
5.4.240.0060.01814.01
5.4.230.0040.03014.14
5.4.220.0030.03114.01
5.4.210.0070.02814.00
5.4.200.0080.02614.12
5.4.190.0080.02614.15
5.4.180.0050.02514.13
5.4.170.0060.01914.02
5.4.160.0060.02514.11
5.4.150.0040.02914.02
5.4.140.0050.01913.14
5.4.130.0040.02913.20
5.4.120.0010.02813.17
5.4.110.0060.02013.15
5.4.100.0050.03013.26
5.4.90.0040.03313.22
5.4.80.0040.02713.13
5.4.70.0110.02113.21
5.4.60.0040.02313.25
5.4.50.0060.02613.16
5.4.40.0020.03513.26
5.4.30.0070.02413.14
5.4.20.0030.02213.24
5.4.10.0050.02813.06
5.4.00.0050.02713.03
5.3.290.0110.02012.50
5.3.280.0040.02912.32
5.3.270.0070.02512.39
5.3.260.0080.02012.33
5.3.250.0020.02612.43
5.3.240.0030.03112.32
5.3.230.0040.02912.40
5.3.220.0060.02012.38
5.3.210.0060.02812.40
5.3.200.0060.02612.35
5.3.190.0070.01912.39
5.3.180.0060.03012.47
5.3.170.0030.02812.44
5.3.160.0060.02712.38
5.3.150.0050.02612.46
5.3.140.0030.02212.40
5.3.130.0050.02712.30
5.3.120.0080.02712.39
5.3.110.0090.02512.31
5.3.100.0040.02812.18
5.3.90.0030.02512.18
5.3.80.0090.02412.15
5.3.70.0030.02012.16
5.3.60.0060.02412.17
5.3.50.0010.02812.18
5.3.40.0040.02812.11
5.3.30.0030.02712.06
5.3.20.0050.01712.02
5.3.10.0050.02412.03
5.3.00.0050.02912.00
5.2.170.0020.02910.73
5.2.160.0030.03310.67
5.2.150.0050.01810.78
5.2.140.0050.03410.66
5.2.130.0070.03010.68
5.2.120.0080.02810.65
5.2.110.0030.02210.64
5.2.100.0100.02710.63
5.2.90.0040.03010.68
5.2.80.0030.03310.75
5.2.70.0080.02810.75
5.2.60.0030.03110.65
5.2.50.0030.03210.71
5.2.40.0040.02010.58
5.2.30.0050.03110.57
5.2.20.0040.03410.58
5.2.10.0030.03310.63
5.2.00.0070.02810.52
5.1.60.0070.02510.10
5.1.50.0060.03010.11
5.1.40.0030.02810.24
5.1.30.0000.02410.31
5.1.20.0020.02910.33
5.1.10.0050.03010.20
5.1.00.0030.03010.20
5.0.50.0030.0249.43
5.0.40.0060.0229.36
5.0.30.0040.0319.21
5.0.20.0020.0249.21
5.0.10.0070.0189.21
5.0.00.0030.0339.21
4.4.90.0050.0179.21
4.4.80.0020.0199.21
4.4.70.0030.0179.21
4.4.60.0020.0189.21
4.4.50.0020.0189.21
4.4.40.0020.0289.21
4.4.30.0030.0149.21
4.4.20.0030.0209.21
4.4.10.0020.0169.21
4.4.00.0020.0289.21
4.3.110.0050.0179.21
4.3.100.0000.0229.21
4.3.90.0020.0179.21
4.3.80.0060.0239.21
4.3.70.0030.0179.21
4.3.60.0050.0179.21
4.3.50.0050.0179.21
4.3.40.0000.0299.21
4.3.30.0020.0129.21
4.3.20.0010.0219.21
4.3.10.0020.0209.21
4.3.00.0000.0209.21

preferences:
41.28 ms | 401 KiB | 5 Q