3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "asñldfiasjdfqoiertqñkejnfgñdfnbñcvbisjdfpogiserjñglkajdskljfhaqoweiuhaslkdj"; $v = array(); for ($i = 0; $i < 100; $i++) { $v[] = $a; } debug_zval_dump($a);

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)
8.3.60.0070.01316.63
8.3.50.0120.00318.21
8.3.40.0120.00318.79
8.3.30.0040.01118.59
8.3.20.0040.00420.20
8.3.10.0000.00823.69
8.3.00.0050.00319.91
8.2.180.0030.01316.38
8.2.170.0100.00722.96
8.2.160.0130.00720.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00819.24
8.2.120.0000.00826.35
8.2.110.0090.00022.11
8.2.100.0080.00317.80
8.2.90.0070.00019.10
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0030.00517.80
8.2.50.0030.00518.07
8.2.40.0000.00922.30
8.2.30.0000.00820.52
8.2.20.0000.00717.68
8.2.10.0000.00717.98
8.2.00.0040.00417.89
8.1.280.0070.00725.92
8.1.270.0080.00020.37
8.1.260.0070.00028.09
8.1.250.0040.00428.09
8.1.240.0000.00823.79
8.1.230.0000.01117.83
8.1.220.0050.00317.74
8.1.210.0090.00018.77
8.1.200.0060.00317.23
8.1.190.0080.00017.10
8.1.180.0040.00418.10
8.1.170.0000.00818.57
8.1.160.0050.00220.69
8.1.150.0070.00018.85
8.1.140.0050.00319.38
8.1.130.0070.00017.63
8.1.120.0040.00417.43
8.1.110.0070.00017.31
8.1.100.0000.00817.44
8.1.90.0000.00817.29
8.1.80.0030.00317.34
8.1.70.0030.00317.21
8.1.60.0040.00417.41
8.1.50.0050.00317.43
8.1.40.0000.00817.51
8.1.30.0040.00417.54
8.1.20.0080.00017.64
8.1.10.0000.00717.48
8.1.00.0040.00417.36
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.27
8.0.270.0000.00817.29
8.0.260.0000.00617.23
8.0.250.0000.00716.78
8.0.240.0060.00016.77
8.0.230.0040.00416.77
8.0.220.0070.00016.82
8.0.210.0040.00416.75
8.0.200.0000.00616.73
8.0.190.0090.00016.89
8.0.180.0000.00716.84
8.0.170.0070.00016.82
8.0.160.0020.00516.65
8.0.150.0000.00716.77
8.0.140.0000.00816.80
8.0.130.0000.00613.20
8.0.120.0000.00816.71
8.0.110.0050.00216.79
8.0.100.0070.00016.76
8.0.90.0040.00416.70
8.0.80.0120.00916.88
8.0.70.0000.00816.78
8.0.60.0030.00516.68
8.0.50.0030.00316.68
8.0.30.0100.00816.82
8.0.20.0150.00617.40
8.0.10.0070.00016.90
8.0.00.0100.00716.74
7.4.330.0020.00216.69
7.4.320.0060.00016.48
7.4.300.0050.00316.34
7.4.290.0000.00716.46
7.4.280.0030.00616.50
7.4.270.0000.00716.52
7.4.260.0040.00416.33
7.4.250.0000.00716.46
7.4.240.0030.00416.49
7.4.230.0000.00716.41
7.4.220.0070.01016.46
7.4.210.0080.01116.47
7.4.200.0030.00316.58
7.4.160.0060.00916.26
7.4.150.0090.00917.40
7.4.140.0110.01117.86
7.4.130.0070.01016.61
7.4.120.0050.01216.33
7.4.110.0150.00316.32
7.4.100.0100.00716.44
7.4.90.0060.01216.36
7.4.80.0070.01019.39
7.4.70.0100.01016.58
7.4.60.0130.00316.40
7.4.50.0030.01316.45
7.4.40.0150.00316.36
7.4.30.0120.00916.48
7.4.00.0050.00914.75
7.3.330.0030.00313.20
7.3.320.0000.00713.17
7.3.310.0030.00316.35
7.3.300.0030.00316.17
7.3.290.0000.00716.16
7.3.280.0060.00916.27
7.3.270.0120.00617.40
7.3.260.0070.01016.55
7.3.250.0080.01116.31
7.3.240.0090.01016.37
7.3.230.0090.01316.39
7.3.210.0090.00916.21
7.3.200.0060.01016.22
7.3.190.0100.00716.67
7.3.180.0110.00616.17
7.3.170.0090.01316.36
7.3.160.0060.00916.26
7.3.120.0070.01314.69
7.3.110.0140.00314.37
7.3.100.0000.01414.83
7.3.90.0080.00814.89
7.3.80.0060.00614.96
7.3.70.0120.00614.75
7.3.60.0030.00614.65
7.3.50.0080.00514.74
7.3.40.0000.00914.79
7.3.30.0040.01414.59
7.3.20.0060.01016.57
7.3.10.0070.00316.56
7.3.00.0070.00716.31
7.2.330.0100.01016.64
7.2.320.0180.00616.57
7.2.310.0170.00316.74
7.2.300.0070.01016.41
7.2.290.0100.00716.39
7.2.250.0030.01614.94
7.2.240.0070.01315.00
7.2.230.0100.00615.09
7.2.220.0030.01315.05
7.2.210.0000.00914.92
7.2.200.0130.00314.64
7.2.190.0060.00915.00
7.2.180.0090.00614.89
7.2.170.0030.01015.10
7.2.130.0080.00516.63
7.2.120.0040.01016.74
7.2.110.0080.00816.61
7.2.100.0090.00716.69
7.2.90.0120.00616.76
7.2.80.0060.00816.49
7.2.70.0130.00816.79
7.2.60.0100.00716.77
7.2.50.0100.00516.58
7.2.40.0100.00516.67
7.2.30.0090.00916.72
7.2.20.0120.00516.69
7.2.10.0160.00316.45
7.2.00.0090.00817.50
7.1.330.0030.00915.61
7.1.320.0090.00015.98
7.1.310.0040.00815.90
7.1.300.0060.00315.83
7.1.290.0040.01115.83
7.1.280.0110.00415.86
7.1.270.0090.00615.91
7.1.260.0120.00315.86
7.1.250.0030.01215.45
7.1.200.0030.00715.73
7.1.100.0030.00618.39
7.1.70.0050.00217.30
7.1.60.0100.01419.44
7.1.50.0130.01017.12
7.1.00.0030.07722.35
7.0.200.0000.01016.75
7.0.60.0130.08719.94
7.0.50.0030.08017.79
7.0.40.0130.07019.96
7.0.30.0470.06020.17
7.0.20.0300.05020.16
7.0.10.0070.08720.24
7.0.00.0030.05720.14
5.6.280.0070.05320.81
5.6.210.0000.05720.46
5.6.200.0030.04718.09
5.6.190.0070.08320.36
5.6.180.0270.07320.66
5.6.170.0430.07020.50
5.6.160.0070.08020.70
5.6.150.0070.07018.12
5.6.140.0070.07018.20
5.6.130.0100.07718.18
5.6.120.0070.08320.98
5.6.110.0170.08320.98
5.6.100.0100.07321.11
5.6.90.0070.04021.07
5.6.80.0030.05720.43
5.5.350.0170.07720.29
5.5.340.0100.07717.91
5.5.330.0200.06720.47
5.5.320.0530.07720.41
5.5.310.0300.07320.29
5.5.300.0000.04018.03
5.5.290.0070.08317.92
5.5.280.0000.04320.76
5.5.270.0130.08320.97
5.5.260.0070.04020.64
5.5.250.0070.09020.55
5.5.240.0170.06320.34

preferences:
61.47 ms | 400 KiB | 5 Q