3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 'string'; $x .= 'BLOCK'; echo $x;

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)
8.3.40.0100.01018.84
8.3.30.0070.00719.09
8.3.20.0000.00720.05
8.3.10.0050.00223.46
8.3.00.0090.00017.38
8.2.170.0140.00022.96
8.2.160.0040.01120.30
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00020.96
8.2.110.0090.00021.95
8.2.100.0130.00318.34
8.2.90.0050.00219.39
8.2.80.0060.00317.97
8.2.70.0000.00817.63
8.2.60.0050.00318.04
8.2.50.0000.00818.07
8.2.40.0000.00920.01
8.2.30.0050.00218.18
8.2.20.0030.00717.61
8.2.10.0000.00818.03
8.2.00.0030.00517.67
8.1.270.0000.00823.86
8.1.260.0050.00226.35
8.1.250.0040.00428.09
8.1.240.0090.00021.82
8.1.230.0080.00319.14
8.1.220.0000.00817.76
8.1.210.0090.00018.77
8.1.200.0000.01017.35
8.1.190.0030.00617.11
8.1.180.0030.00518.10
8.1.170.0000.00718.50
8.1.160.0060.00321.92
8.1.150.0070.00018.79
8.1.140.0040.00417.38
8.1.130.0030.00317.73
8.1.120.0000.00717.29
8.1.110.0000.00717.26
8.1.100.0000.00717.38
8.1.90.0030.00617.34
8.1.80.0080.00017.42
8.1.70.0000.00717.34
8.1.60.0030.00517.50
8.1.50.0000.00817.43
8.1.40.0000.00917.34
8.1.30.0030.00517.57
8.1.20.0000.00717.60
8.1.10.0000.00817.48
8.1.00.0090.00017.36
8.0.300.0030.00318.77
8.0.290.0070.00016.63
8.0.280.0030.00318.48
8.0.270.0070.00017.24
8.0.260.0040.00417.21
8.0.250.0000.00716.93
8.0.240.0050.00216.95
8.0.230.0000.00716.86
8.0.220.0000.00716.81
8.0.210.0030.00316.75
8.0.200.0030.00316.92
8.0.190.0030.00316.90
8.0.180.0040.00416.75
8.0.170.0050.00316.82
8.0.160.0000.00816.87
8.0.150.0000.00716.69
8.0.140.0030.00316.61
8.0.130.0060.00013.22
8.0.120.0000.00816.79
8.0.110.0070.00016.75
8.0.100.0070.00016.64
8.0.90.0040.00416.78
8.0.80.0130.00316.86
8.0.70.0040.00416.68
8.0.60.0000.00816.64
8.0.50.0040.00416.61
8.0.30.0160.00916.91
8.0.20.0140.00917.40
8.0.10.0000.00816.75
8.0.00.0120.00616.71
7.4.330.0050.00015.08
7.4.320.0030.00316.45
7.4.300.0040.00416.44
7.4.290.0000.00716.55
7.4.280.0080.00416.52
7.4.270.0030.00316.54
7.4.260.0070.00016.43
7.4.250.0050.00316.48
7.4.240.0020.00516.40
7.4.230.0000.00716.57
7.4.220.0120.01216.56
7.4.210.0040.01116.48
7.4.200.0030.00316.59
7.4.160.0060.01216.33
7.4.150.0120.01217.40
7.4.140.0080.01117.86
7.4.130.0080.01016.31
7.4.120.0100.00816.42
7.4.110.0100.00716.32
7.4.100.0030.01316.33
7.4.90.0070.01016.36
7.4.80.0070.01319.39
7.4.70.0030.01416.44
7.4.60.0080.00816.43
7.4.50.0000.00816.30
7.4.40.0160.00016.39
7.4.30.0030.01316.51
7.4.00.0100.00614.74
7.3.330.0000.00613.03
7.3.320.0070.00013.08
7.3.310.0000.00716.21
7.3.300.0070.00016.20
7.3.290.0030.00316.18
7.3.280.0110.00716.20
7.3.270.0090.00917.40
7.3.260.0150.00316.48
7.3.250.0110.00516.20
7.3.240.0130.00816.26
7.3.230.0090.00916.39
7.3.210.0130.01016.47
7.3.200.0030.01319.39
7.3.190.0100.00716.46
7.3.180.0050.01016.04
7.3.170.0120.00316.27
7.3.160.0070.00816.29
7.3.120.0090.00914.89
7.3.110.0070.00714.92
7.3.100.0030.01014.63
7.3.90.0030.00914.74
7.3.80.0070.00614.75
7.3.70.0100.00714.55
7.3.60.0050.01114.71
7.3.50.0050.01214.69
7.3.40.0070.00414.47
7.3.30.0030.00814.71
7.3.20.0080.00516.56
7.3.10.0050.00516.67
7.3.00.0080.00816.64
7.2.330.0030.01416.48
7.2.320.0030.01416.31
7.2.310.0130.01016.28
7.2.300.0080.00816.12
7.2.290.0070.01016.54
7.2.250.0040.01415.11
7.2.240.0030.01214.88
7.2.230.0100.00715.06
7.2.220.0070.00915.00
7.2.210.0030.01314.97
7.2.200.0040.00814.71
7.2.190.0080.00714.77
7.2.180.0130.00314.63
7.2.170.0000.01414.83
7.2.160.0150.00014.89
7.2.150.0070.00716.80
7.2.140.0030.00616.77
7.2.130.0030.00716.76
7.2.120.0000.01316.50
7.2.110.0030.00616.63
7.2.100.0070.01016.80
7.2.90.0040.00816.91
7.2.80.0040.00816.68
7.2.70.0070.00716.89
7.2.60.0110.00416.57
7.2.50.0040.01217.03
7.2.40.0030.00716.92
7.2.30.0100.00316.86
7.2.20.0090.00616.69
7.2.10.0040.00716.56
7.2.00.0030.01118.13
7.1.330.0050.00815.61
7.1.320.0070.00715.63
7.1.310.0080.00715.57
7.1.300.0030.01215.69
7.1.290.0110.00415.76
7.1.280.0050.00715.40
7.1.270.0020.01215.71
7.1.260.0040.00815.45
7.1.250.0030.01015.44
7.1.100.0600.00715.55
7.1.70.0000.00717.15
7.1.60.0060.01319.40
7.1.50.0040.01116.98
7.1.00.0070.07022.36
7.0.200.0680.00614.48
7.0.140.0070.07022.00
7.0.60.0300.05721.71
7.0.50.0030.04017.79
7.0.40.0130.05019.99
7.0.30.0300.06020.30
7.0.20.0330.07720.10
7.0.10.0070.05320.04
7.0.00.0070.08720.20
5.6.280.0030.07320.81
5.6.210.0170.06020.69
5.6.200.0030.05318.09
5.6.190.0100.03720.49
5.6.180.0200.04020.46
5.6.170.0270.05320.52
5.6.160.0100.07020.37
5.6.150.0000.07718.11
5.6.140.0130.07718.10
5.6.130.0070.08718.11
5.6.120.0070.04321.11
5.6.110.0070.08321.02
5.6.100.0130.07720.98
5.6.90.0100.06021.02
5.6.80.0130.07320.43
5.5.350.0230.07020.42
5.5.340.0030.04017.95
5.5.330.0130.04720.36
5.5.320.0370.05320.28
5.5.310.0300.08020.51
5.5.300.0100.04018.02
5.5.290.0070.08018.00
5.5.280.0030.04020.76
5.5.270.0070.07720.67
5.5.260.0000.04720.95
5.5.250.0070.08720.68
5.5.240.0300.06020.33
5.4.450.0200.07719.18
5.4.440.0270.07019.45
5.4.430.0330.05019.39
5.4.420.0170.06719.56
5.4.410.0170.06719.16
5.4.400.0270.07019.13
5.4.390.0200.06318.97
5.4.380.0230.07018.86
5.4.370.0270.04018.99
5.4.360.0230.05719.13
5.4.350.0100.04719.15
5.4.340.0170.04019.06
5.4.320.0330.04719.15
5.4.310.0200.05019.06
5.4.300.0200.03319.03
5.4.290.0170.06319.18
5.4.280.0130.04319.12
5.4.270.0170.03719.07
5.4.260.0230.06018.89
5.4.250.0200.04019.00
5.4.240.0130.04019.20
5.4.230.0170.03719.14
5.4.220.0130.04019.03
5.4.210.0230.03318.84
5.4.200.0200.04018.88
5.4.190.0270.03019.25
5.4.180.0270.07019.18
5.4.170.0170.05019.03
5.4.160.0270.05319.14
5.4.150.0200.07719.10
5.4.140.0270.06016.46
5.4.130.0200.07016.22
5.4.120.0100.04316.29
5.4.110.0170.03716.57
5.4.100.0130.05316.49
5.4.90.0270.04016.33
5.4.80.0170.03316.14
5.4.70.0130.06716.37
5.4.60.0200.06316.29
5.4.50.0200.06316.35
5.4.40.0170.03716.54
5.4.30.0200.03316.30
5.4.20.0170.05316.12
5.4.10.0230.05716.32
5.4.00.0270.04715.70
5.3.290.0270.06314.61
5.3.280.0000.04014.52
5.3.270.0200.07714.57
5.3.260.0230.06714.39
5.3.250.0170.05014.53
5.3.240.0200.07014.58
5.3.230.0170.04014.41
5.3.220.0230.04314.54
5.3.210.0200.07314.53
5.3.200.0170.07714.48
5.3.190.0270.06014.53
5.3.180.0200.07714.36
5.3.170.0200.06714.48
5.3.160.0170.07014.50
5.3.150.0130.04014.48
5.3.140.0230.04014.47
5.3.130.0230.03314.55
5.3.120.0270.07014.50
5.3.110.0100.05314.33
5.3.100.0230.05013.96
5.3.90.0230.06313.96
5.3.80.0230.06713.80
5.3.70.0300.03713.83
5.3.60.0230.07313.93
5.3.50.0230.06313.87
5.3.40.0200.06713.88
5.3.30.0200.03313.99
5.3.20.0170.04713.50
5.3.10.0300.05313.74
5.3.00.0130.06713.56
5.2.170.0170.06011.07
5.2.160.0200.06011.11
5.2.150.0270.03011.15
5.2.140.0200.06011.07
5.2.130.0100.04311.25
5.2.120.0170.03710.99
5.2.110.0130.03711.25
5.2.100.0000.03711.09
5.2.90.0000.03010.98
5.2.80.0070.06011.02
5.2.70.2100.03710.94
5.2.60.3830.03010.89
5.2.50.4000.02310.91
5.2.40.3300.02010.93
5.2.30.2930.02710.95
5.2.20.3130.02310.96
5.2.10.2830.02310.86
5.2.00.2970.02310.71
5.1.60.2500.0239.89
5.1.50.2300.0279.98
5.1.40.2430.0239.98
5.1.30.0230.02010.48
5.1.20.0270.05010.33
5.1.10.0170.03010.04
5.1.00.0200.05010.21
5.0.50.0100.0378.39
5.0.40.0130.0238.48
5.0.30.0170.0538.05
5.0.20.0200.0208.21
5.0.10.0100.0408.22
5.0.00.0100.0638.05
4.4.90.0970.0177.70
4.4.80.1470.0177.70
4.4.70.1670.0177.70
4.4.60.1770.0177.70
4.4.50.1600.0177.70
4.4.40.1530.0277.70
4.4.30.1430.0107.70
4.4.20.0100.0277.70
4.4.10.0130.0177.70
4.4.00.0030.0477.70
4.3.110.0130.0277.70
4.3.100.0170.0307.70
4.3.90.0100.0177.70
4.3.80.0070.0337.70
4.3.70.0200.0277.70
4.3.60.0170.0137.70
4.3.50.0130.0137.70
4.3.40.0100.0277.70
4.3.30.0030.0237.70
4.3.20.0030.0277.70
4.3.10.0070.0237.70
4.3.00.0030.0207.70

preferences:
38.83 ms | 400 KiB | 5 Q