3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = []; for($i=0; $i<30;$i++) { $val[] = mt_rand; } echo strlen(json_encode($val)); echo "\n"; echo strlen(gzcompress(json_encode($val))); echo strlen(base64_encode(gzcompress(json_encode($val))));

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)
8.3.60.0140.00016.75
8.3.50.0120.00722.85
8.3.40.0110.00418.97
8.3.30.0030.01018.96
8.3.20.0060.00320.35
8.3.10.0050.00323.65
8.3.00.0080.00017.50
8.2.180.0040.01216.75
8.2.170.0100.00322.96
8.2.160.0070.00720.22
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0090.00626.16
8.2.120.0050.00320.90
8.2.110.0080.00421.12
8.2.100.0110.00018.16
8.2.90.0000.00819.13
8.2.80.0080.00017.97
8.2.70.0040.00417.75
8.2.60.0090.00017.92
8.2.50.0040.00418.07
8.2.40.0050.00317.97
8.2.30.0040.00418.11
8.2.20.0000.00817.86
8.2.10.0070.00018.11
8.2.00.0060.00317.76
8.1.280.0060.00925.92
8.1.270.0080.00023.92
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00623.98
8.1.230.0080.00419.54
8.1.220.0080.00017.74
8.1.210.0000.01118.77
8.1.200.0030.00617.38
8.1.190.0040.00417.25
8.1.180.0050.00318.10
8.1.170.0040.00418.70
8.1.160.0070.00022.08
8.1.150.0040.00418.93
8.1.140.0040.00417.36
8.1.130.0070.00017.76
8.1.120.0080.00017.46
8.1.110.0080.00017.36
8.1.100.0040.00417.46
8.1.90.0060.00317.52
8.1.80.0030.00317.36
8.1.70.0000.00717.46
8.1.60.0080.00017.58
8.1.50.0030.00517.43
8.1.40.0040.00417.42
8.1.30.0030.00517.56
8.1.20.0040.00417.66
8.1.10.0040.00417.48
8.1.00.0050.00217.52
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0040.00418.50
8.0.270.0030.00317.27
8.0.260.0000.00617.17
8.0.250.0070.00017.12
8.0.240.0070.00016.93
8.0.230.0040.00416.86
8.0.220.0070.00016.94
8.0.210.0050.00316.86
8.0.200.0000.00617.01
8.0.190.0050.00316.88
8.0.180.0030.00317.00
8.0.170.0050.00317.01
8.0.160.0050.00316.89
8.0.150.0040.00416.86
8.0.140.0030.00316.94
8.0.130.0030.00313.39
8.0.120.0000.00816.82
8.0.110.0090.00016.98
8.0.100.0000.00816.95
8.0.90.0050.00216.94
8.0.80.0100.00716.95
8.0.70.0030.00516.95
8.0.60.0040.00417.02
8.0.50.0020.00516.87
8.0.30.0080.01217.21
8.0.20.0080.01217.40
8.0.10.0060.00317.06
8.0.00.0110.00616.85
7.4.330.0030.00315.02
7.4.320.0040.00416.78
7.4.300.0020.00516.59
7.4.290.0080.00016.77
7.4.280.0050.00216.60
7.4.270.0000.00716.72
7.4.260.0060.00516.69
7.4.250.0040.00416.78
7.4.240.0030.00316.70
7.4.230.0000.00816.87
7.4.220.0110.00816.79
7.4.210.0060.01316.69
7.4.200.0080.00016.89
7.4.160.0110.00616.79
7.4.150.0110.01117.40
7.4.140.0140.00817.86
7.4.130.0090.00916.67
7.4.120.0070.01016.71
7.4.110.0000.01716.84
7.4.100.0120.00616.83
7.4.90.0040.01316.75
7.4.80.0150.00419.39
7.4.70.0140.00716.89
7.4.60.0150.00416.70
7.4.50.0030.00516.90
7.4.40.0060.01216.84
7.4.30.0140.00316.76
7.4.00.0000.01415.10
7.3.330.0000.00813.45
7.3.320.0030.00313.24
7.3.310.0060.00016.46
7.3.300.0070.00016.56
7.3.290.0070.00716.57
7.3.280.0070.00816.52
7.3.270.0140.00317.40
7.3.260.0130.01016.55
7.3.250.0150.00416.71
7.3.240.0130.01016.76
7.3.230.0110.01116.56
7.3.210.0100.01016.62
7.3.200.0060.01219.39
7.3.190.0170.00316.70
7.3.180.0100.00616.55
7.3.170.0040.01216.63
7.3.160.0120.00916.61
7.2.330.0170.00316.93
7.2.320.0110.01416.95
7.2.310.0050.02116.91
7.2.300.0060.00916.95
7.2.290.0080.00816.68
7.2.60.0060.00916.82
7.2.00.0040.01519.50
7.1.200.0030.00715.91
7.1.100.0030.00718.16
7.1.70.0000.01016.89
7.1.60.0100.01619.40
7.1.50.0100.01417.04
7.1.00.0000.08022.46
7.0.200.0150.00815.01
7.0.140.0000.07722.00
7.0.90.0730.07720.29
7.0.80.0530.04020.04
7.0.70.0430.05720.01
7.0.60.0600.06320.01
7.0.50.0500.05720.51
7.0.40.0100.08020.00
7.0.30.0030.08020.09
7.0.20.0100.08720.14
7.0.10.0130.05319.94
7.0.00.0200.06720.04
5.6.280.0030.07721.32
5.6.240.0100.07720.75
5.6.230.0170.07320.91
5.6.220.0070.08320.85
5.6.210.0100.07720.64
5.6.200.0170.07021.29
5.6.190.0200.07721.28
5.6.180.0070.07021.19
5.6.170.0130.08321.29
5.6.160.0100.07721.21
5.6.150.0070.08321.21
5.6.140.0100.08021.29
5.6.130.0130.07721.28
5.6.120.0000.05321.13
5.6.110.0130.07021.24
5.6.100.0170.07021.26
5.6.90.0030.05721.17
5.6.80.0000.08720.58
5.6.70.0030.08320.60
5.6.60.0030.08720.64
5.6.50.0030.07320.56
5.6.40.0130.07720.54
5.6.30.0170.07320.55
5.6.20.0200.06720.53
5.6.10.0070.05020.55
5.6.00.0030.08720.62
5.5.380.0070.07320.61
5.5.370.0070.08020.58
5.5.360.0070.09020.67
5.5.350.0130.07720.60
5.5.340.0070.06321.07
5.5.330.0100.07320.95
5.5.320.0030.05720.92
5.5.310.0030.06021.05
5.5.300.0070.08320.81
5.5.290.0070.08020.95
5.5.280.0030.06721.03
5.5.270.0170.07320.93
5.5.260.0000.05721.06
5.5.250.0130.07020.84
5.5.240.0070.07720.44
5.5.230.0130.07720.43
5.5.220.0070.05720.43
5.5.210.0030.08320.46
5.5.200.0130.05020.16
5.5.190.0070.07320.43
5.5.180.0130.06020.32
5.5.160.0130.07020.45
5.5.150.0100.07320.16
5.5.140.0130.06720.43
5.5.130.0070.07020.16
5.5.120.0170.06720.42
5.5.110.0070.06320.40
5.5.100.0070.05320.24
5.5.90.0200.06320.33
5.5.80.0100.07020.32
5.5.70.0070.07720.17
5.5.60.0030.05720.23
5.5.50.0170.06320.28
5.5.40.0030.08020.22
5.5.30.0100.07020.25
5.5.20.0100.07020.32
5.5.10.0000.08020.21
5.5.00.0070.07320.21
5.4.450.0130.06019.52
5.4.440.0070.06019.37
5.4.430.0100.07719.44
5.4.420.0130.07719.59
5.4.410.0100.07719.39
5.4.400.0030.08319.27
5.4.390.0030.08019.13
5.4.380.0000.07018.97
5.4.370.0170.06719.21
5.4.360.0170.06319.22
5.4.350.0100.05019.19
5.4.340.0030.08019.18
5.4.320.0170.06719.27
5.4.310.0070.06019.12
5.4.300.0170.07019.12
5.4.290.0100.06019.26
5.4.280.0130.07018.96
5.4.270.0030.07319.19
5.4.260.0030.04719.25
5.4.250.0070.05319.04
5.4.240.0170.06719.24
5.4.230.0070.06319.18
5.4.220.0030.08019.30
5.4.210.0130.07019.15
5.4.200.0100.07019.21
5.4.190.0270.06019.08
5.4.180.0030.05319.29
5.4.170.0070.07319.23
5.4.160.0070.05319.18
5.4.150.0130.06019.10
5.4.140.0070.07016.33
5.4.130.0030.07716.48
5.4.120.0100.07016.27
5.4.110.0070.07016.38
5.4.100.0070.05316.49
5.4.90.0030.06016.51
5.4.80.0130.06316.39
5.4.70.0070.07316.40
5.4.60.0070.06716.29
5.4.50.0130.07316.56
5.4.40.0100.05716.43
5.4.30.0070.07016.40
5.4.20.0200.06316.32
5.4.10.0170.05716.44
5.4.00.0000.07715.83
5.3.290.0100.07314.62
5.3.280.0100.07714.59
5.3.270.0130.07014.44
5.3.260.0130.07014.54
5.3.250.0070.07714.60
5.3.240.0030.07314.46
5.3.230.0030.07714.61
5.3.220.0130.06714.43
5.3.210.0070.07014.43
5.3.200.0030.07714.48
5.3.190.0030.08014.43
5.3.180.0070.05314.55
5.3.170.0070.07714.48
5.3.160.0000.08014.56
5.3.150.0100.07714.51
5.3.140.0270.05714.39
5.3.130.0070.04714.54
5.3.120.0130.04314.38
5.3.110.0200.06314.54
5.3.100.0030.07314.01
5.3.90.0030.08013.88
5.3.80.0030.06713.88
5.3.70.0030.04713.87
5.3.60.0000.04313.98
5.3.50.0000.07713.93
5.3.40.0130.06013.91
5.3.30.0070.06313.82
5.3.20.0070.07313.54
5.3.10.0030.07313.41
5.3.00.0200.06313.60
5.2.170.0000.04311.10
5.2.160.0030.06311.14
5.2.150.0030.06311.12
5.2.140.0100.04010.93
5.2.130.0070.05711.06
5.2.120.0070.05710.96
5.2.110.0070.04710.95
5.2.100.0030.06310.96
5.2.90.0030.05711.10
5.2.80.0100.05711.07
5.2.70.0000.04311.13
5.2.60.0000.05711.05
5.2.50.0130.05710.94
5.2.40.0130.05710.82
5.2.30.0100.05010.96
5.2.20.0100.05010.96
5.2.10.0000.04310.76
5.2.00.0000.03710.66
5.1.60.0100.0509.99
5.1.50.0030.0539.99
5.1.40.0070.0439.97
5.1.30.0030.06010.37
5.1.20.0030.06010.42
5.1.10.0070.05310.13
5.1.00.0070.04310.09
5.0.50.0030.0478.53
5.0.40.0000.0478.39
5.0.30.0030.0678.26
5.0.20.0000.0478.07
5.0.10.0030.0378.20
5.0.00.0070.0638.23
4.4.90.0030.0377.51
4.4.80.0170.0237.51
4.4.70.0000.0277.51
4.4.60.0070.0307.51
4.4.50.0000.0377.51
4.4.40.0070.0507.51
4.4.30.0030.0307.51
4.4.20.0030.0277.51
4.4.10.0070.0307.51
4.4.00.0100.0437.51
4.3.110.0100.0277.51
4.3.100.0100.0277.51
4.3.90.0000.0377.51
4.3.80.0030.0507.51
4.3.70.0030.0337.51
4.3.60.0100.0277.51
4.3.50.0030.0237.51
4.3.40.0030.0507.51
4.3.30.0030.0337.51
4.3.20.0000.0377.51
4.3.10.0000.0407.51
4.3.00.0000.0377.51

preferences:
68.74 ms | 401 KiB | 5 Q